Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Qhov chaw nyob nruab nrab ntawm Moscow thiab St. Petersburg muaj ib lub zos me me hu ua Udomlya. Yav dhau los, nws tau paub txog Kalinin Nuclear Fais Fab Cog. Hauv 2019, lwm qhov kev nyiam nyob ze - Udomlya megadata chaw nrog 4 txhiab racks. 

Tom qab koom nrog pab pawg Rostelecom-DPC, DataLine cov kws tshaj lij tseem yuav koom nrog hauv kev ua haujlwm ntawm qhov chaw khaws ntaub ntawv no. Muaj tseeb koj twb tau hnov ​​ib yam dab tsi txog "Udomlya". Niaj hnub no peb tau txiav txim siab los qhia rau koj paub meej tias txhua yam ua haujlwm nyob rau ntawd.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
Cov chaw ua haujlwm muaj: 32 mΒ² cov ntaub ntawv chaw thiab lub chaw tsim hluav taws xob nuclear hauv keeb kwm yav dhau. Udomlya qauv caij nplooj ntoos hlav 000.

Hauv qab ntawm kev txiav peb tau sau ntau dua 40 daim duab ntawm cov ntaub ntawv chaw tsim khoom siv hluav taws xob nrog cov lus piav qhia ntxaws. Ib tug qab ntxiag surprise tos cov neeg uas mus txog qhov kawg.

Hais txog logistics

Cov ntaub ntawv chaw nyob yog nyob rau hauv cheeb tsam Tver. Txoj kev taug kev los ntawm Moscow mus rau Udomlya yuav siv sijhawm li peb teev: 1 teev 45 feeb ntawm Sapsan mus rau Vyshny Volochek chaw nres tsheb, thiab los ntawm qhov ntawd, raws li kev thov ua ntej, lub shuttle yuav ntsib koj thiab coj koj mus rau qhov chaw khaws ntaub ntawv. Los ntawm St. Petersburg mus rau Vyshny Volochek nws yuav siv sij hawm ntev me ntsis - 2 teev 20 feeb. 

Los ntawm lub tsheb koj tuaj yeem mus txog ntawm Moscow hauv 4,5 teev, los ntawm St. Petersburg hauv 5.

Yog, tej zaum koj yuav tsis xav mus ntawm no rau ob peb chav. Tab sis yog tias koj xav tau lub tsev tshiab rau ntau lub racks, ces nws tsim nyog ua tib zoo saib. Muaj qhov chaw txaus thiab hluav taws xob, txawm tias koj xav tau ob npaug ntawm cov nyiaj no txhua lub sijhawm. Nyob rau hauv Moscow, qhov twg, nyob rau hauv peb kev paub, cov ntaub ntawv chaw zov me nyuam yog booked nyob rau hauv kev tsim kho theem, qhov ua kom yuam kev no yuav tsis ib txwm ua hauj lwm.

Tsis tas li ntawd, qhov chaw ntawm cov ntaub ntawv chaw nruab nrab ntawm Moscow thiab St. Petersburg tuaj yeem siv rau geo-reservation. Yog tias cov chaw tseem ceeb nyob hauv Moscow lossis St. Petersburg, tom qab ntawd qhov chaw thaub qab yuav haum zoo.

Pab neeg ntse tes yuav pab nrog txhua yam kev ua haujlwm ntawm qhov chaw. Lawv yuav tau txais, tshem tawm thiab nruab cov cuab yeej hauv racks, txuas rau lub zog thiab lub network, thiab muab cov khoom siv rau cov chaw taws teeb. Nyob rau hauv cov ntaub ntawv ntawm malfunctions, lawv yuav pab nrog kev kuaj mob thiab hloov cov khoom ua tsis tau tejyam.

Thawj theem ntawm cov ntaub ntawv chaw muaj 4 chav computer, los yog modules, nrog 205 racks txhua. Muaj 2 chav tshuab thiab lub zog nruab nrab hauv pem teb, thiab ob chav ntxiv thiab lub tub yees rau hauv pem teb thib ob. Cia peb mus saib yuav ua li cas txhua yam ua haujlwm ntawm no.

Lub cev ruaj ntseg

Lub chaw khaws ntaub ntawv nyob ib cheeb tsam, uas tsis tuaj yeem nkag mus yam tsis muaj daim ntawv hla tebchaws thiab daim ntawv qhia txog tus kheej. Cov neeg tuaj txog ntawm lub tsheb kuj tau txais daim ntawv hla tebchaws thiab tsuas yog tom qab ntawd tuaj yeem nkag mus rau hauv cov ntaub ntawv chaw. Rau cov neeg uas muaj txhua yam nyob rau hauv kev txiav txim nrog lawv pass, cov ntaub ntawv chaw yog qhib 24x7.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Thawj XNUMX-teev kev ruaj ntseg ncej yog nkag mus rau thaj chaw.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Peb mus ntxiv thiab mus rau qhov chaw kuaj xyuas ncaj qha ntawm qhov nkag mus rau qhov chaw khaws ntaub ntawv.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Cov tub ceev xwm kev ruaj ntseg tsis tsuas yog tos txais cov neeg siv khoom thiab teeb meem hla, tab sis tseem saib xyuas cov phab ntsa video nyob ib ncig ntawm lub moos, uas qhia cov duab ntawm txhua qhov chaw sab hauv ntawm cov ntaub ntawv chaw thiab thaj chaw ib puag ncig.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Fais fab mov

Hluav taws xob pib nws txoj kev mus rau qhov chaw cov ntaub ntawv los ntawm nuclear fais fab nroj tsuag. Cov ntaub ntawv chaw tau txais 10 kV rau 6 kauj ruam-down transformers. Tom ntej no, 0,4 kV mus dhau ob txoj kev ywj pheej mus rau qhov tsis tshua muaj hluav taws xob hloov pauv (LVSD). Tom qab ntawd, dhau ntawm DIBP, lub zog tau muab rau IT thiab cov khoom siv engineering. Ob lub tswv yim ywj pheej yog tsim rau lub khib, uas yog, 2N redundancy. Peb yuav qhia koj ntxiv txog yuav ua li cas txhua yam ua haujlwm ntawm cov khoom siv hluav taws xob hauv ib tsab xov xwm cais.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
Txoj kev ntawm hluav taws xob hauv Udomlya data center

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
Cov tsheb npav fais fab los ntawm cov hluav taws xob los ntawm RUNN mus rau DIBP fais fab vaj huam sib luag

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
Kab ntawm RUNN

Txawm tias muaj tseeb hais tias muaj ib tug nuclear fais fab nroj tsuag nyob ze, nyob rau hauv ib tug txhim khu kev qha cov ntaub ntawv chaw lub ntsiab fais fab mov yog guaranteed. Hauv peb cov chaw khaws ntaub ntawv, raws li koj paub, cov khoom siv hluav taws xob diesel yog lub luag haujlwm rau nws, tab sis ntawm no dynamic UPSs (DIUPS) tau siv. Lawv kuj muab cov khoom siv hluav taws xob tsis cuam tshuam. DIUPs tau tshwj tseg raws li N + 1 scheme. 

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
DIPS hom Euro-Diesel (Kinolt) nrog lub peev xwm ntawm 2 MW. Lawv qw nrov nrov tias nws zoo dua tsis mus hauv qhov tsis muaj pob ntseg.

Thiab qhov no yog li cas nws ua haujlwm. DIBP yog ib qho kev sib xyaw ntawm peb yam tseem ceeb: lub cav diesel, lub tshuab hluav taws xob synchronous thiab lub zog kinetic accumulator nrog lub rotor. Tag nrho cov ntawm lawv yog tsau rau lub ntsiab ncej.

Lub tshuab hluav taws xob tuaj yeem ua haujlwm hauv lub tshuab hluav taws xob thiab lub tshuab hluav taws xob. Thaum DIBP tau siv hluav taws xob tsis tu ncua los ntawm lub nroog, lub tshuab hluav taws xob yog lub tshuab hluav taws xob uas tig lub rotor thiab khaws cov kinetic zog hauv lub roj teeb.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
Lub grey thaiv hauv pem hauv ntej yog lub tshuab synchronous DIBP

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
Diesel engine DIBP

Yog tias lub nroog hluav taws xob tawm mus, lub tshuab hluav taws xob hloov mus rau hom tshuab hluav taws xob. Ua tsaug rau lub zog kinetic sib xyaw, lub rotor ua rau lub ntsiab ncej ntawm DIBP tig, lub tshuab hluav taws xob txuas ntxiv ua haujlwm yam tsis muaj lub zog hauv nroog thiab cov zis hluav taws xob tsis ploj. Qhov no ua kom lub zog tsis muaj kev cuam tshuam hauv cov ntaub ntawv chaw. Tib lub sijhawm, DIBP tswj qhov system xa cov teeb liab los pib lub cav diesel. Tib lub zog kinetic ntawm lub rotor pib lub cav diesel thiab pab nws mus txog kev khiav hauj lwm zaus. Lub rotor tuav ceev txog li ib feeb, thiab qhov no txaus rau lub diesel los ua si. Tom qab pib, lub cav diesel tig lub ntsiab ncej, thiab los ntawm nws lub tshuab hluav taws xob (ntawm no saib video hloov DIBP los ntawm ib hom mus rau lwm qhov).

Yog li ntawd, lub zog hauv cov racks tsis ploj txawm tias ib pliag.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Lub tank ntawm txhua lub tshuab hluav taws xob diesel yog tsim rau 3 teev. Lub chaw khaws ntaub ntawv tseem muaj nws qhov chaw cia roj rau 80 tons, uas yuav khaws tag nrho cov ntaub ntawv chaw rau 24 teev. Nyob rau hauv cov ntaub ntawv ntawm hypothetical blackouts heev (lub nuclear fais fab nroj tsuag nyob ze yuav tsis tso cai rau qhov no), muaj kev pom zoo nrog ob peb tus neeg cog lus uas yuav sai sai xa cov roj diesel rau ntawm qhov chaw thaum hu. Feem ntau, txhua yam yog raws li nws yuav tsum ua.

Txhua lub lim tiam DIBPs tus kheej-kuaj thiab pib lub cav diesel. Ib hlis ib zaug, kev ntsuam xyuas tau ua nrog lub sijhawm luv luv ntawm lub nroog network.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
DIBP tswj vaj huam sib luag

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
ShchGP thiab ShchBP thaj chaw 

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
"Cov kab hauv lub cev" thiab "kev sib txuas" ntawm cov kab hluav taws xob

Tshuab chav

Txhua module nyob rau hauv ib cheeb tsam hermetic, nyob rau hauv ib lub thawv tshwj xeeb. Cov phab ntsa ntxiv thiab lub ru tsev no tiv thaiv chav turbine los ntawm plua plav, dej thiab hluav taws. Thaum lees txais ib lub chaw khaws ntaub ntawv, qhov chaw ntim khoom yog ib txwm nchuav nrog dej los xyuas seb cov dej xau.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
Lub ru tsev ntawm lub tsev thiab nws tus kheej lub ru tsev ntawm chav turbine nrog cov kav dej

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
Cov dej ntog rau ntawm lub ru tsev ntawm qhov chaw ntim khoom nkag mus rau hauv cov kav dej mus rau hauv cov kav dej

Txhua lub tsev yog npaj los txais 205 racks nrog lub zog nruab nrab ntawm 5 kW.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Kev npaj cov khoom siv hauv chav tsev yog npaj raws li cov txheej txheem ntawm txoj kev txias thiab kub. 
Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Bolid thaum ntxov tua hluav taws thiab cov roj tua hluav taws tua hluav taws yog taug kev raws qab nthab. 

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Cov pa luam yeeb sensors kuj tseem nyob hauv qab lub hauv paus tsa. Nws txaus los ua rau ob lub sensors thiab lub tswb hluav taws xob yuav suab, tab sis peb yuav tham txog qhov ntawd me ntsis tom qab.

Nyob rau hauv tas li ntawd, nyob rau hauv cov kab ntawm cov cua txias, muaj daim kab xev xau sensors.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Txhua txoj kev hauv nruab nrab ntawm cov txee yog "kho" nrog CCTV koob yees duab.
Yog tias xav tau, cov racks tuaj yeem muab tso rau hauv qab lub laj kab tshwj xeeb (lub tawb) thiab cov koob yees duab ntxiv, kev nkag mus rau kev tswj hwm thiab cov lus tsa suab sensors, ntim sensors, thiab lwm yam tuaj yeem ntsia tau rau ntawm nws. 

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Lub tub yees

Udomlya data center siv ethylene glycol chiller circuit. Muaj cov tshuab cua txias hauv chav tshuab, chillers ntawm lub ru tsev, thiab hauv pem teb thib ob muaj lub tub yees nrog cov kav dej, lub tshuab hluav taws xob thiab kev tswj hwm, twj tso kua mis, lub tank cia, thiab lwm yam.

Txhua lub tsev muaj 12 lub tshuab cua txias, ib nrab ntawm lawv nrog cov cua humidifiers. N + 1 redundancy tswvyim.

Nyob rau hauv lub txias aisle, qhov kub yog tswj ntawm 21-25 Β° C thiab av noo 40-60%.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
Precision cua txias Stulz Cyber ​​​​Cool 

Muaj ob lub nplhaib nyob ib ncig ntawm txhua chav tshuab: kab "txias" uas muab cov ethylene glycol txias rau lub tshuab cua txias, thiab ib txoj kab "kub" uas tshem cov glycol rhuab los ntawm cov cua txias mus rau lub chillers. Yog tias peb qhib qhov rooj tsa hauv pem teb hauv txoj kev hauv tsev, peb yuav pom cov tee rau hauv chav tshuab los ntawm lub tub yees. 

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Txoj kev ntawm ethylene glycol yog raws li nram no: los ntawm lub tshuab cua txias, rhuab ethylene glycol ua ntej nkag mus rau hauv cov kab rov qab nyob ib ncig ntawm lub tshuab chav tsev, thiab ces mus rau hauv lub nplhaib. Tom qab ntawd ethylene glycol mus rau lub twj tso kua mis thiab tom qab ntawd mus rau lub chiller, qhov twg nws txias rau 10 Β° C. Tom qab lub chiller, ethylene glycol rov qab mus rau lub tshuab cua txias los ntawm cov khoom siv lub nplhaib, cov tso tsheb hlau luam thiab lub nplhaib nyob ib ncig ntawm lub module.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
Data center cooling supply daim duab

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
Qhov no yog qhov chaw tub yees zoo li uas 100 m3 ntawm ethylene glycol hla 

Grey ntim yog cov tank nthuav dav. Heated ethylene glycol hla lawv ntawm nws txoj kev mus rau lub chiller. Thaum lub caij ntuj sov, ethylene glycol nthuav dav thiab xav tau qhov chaw ntxiv.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Cov thawv ntim zoo nkauj no yog lub tank cia, 5 m3 txhua. Lawv muab uninterrupted txias ntawm cov ntaub ntawv chaw nyob rau hauv cov ntaub ntawv ntawm chiller tsis ua hauj lwm.
Txias ethylene glycol los ntawm cov tso tsheb hlau luam yog nkag mus rau lub kaw lus, thiab qhov no tso cai rau lub tshuab cua txias qhov hluav taws xob kom tswj tau ntawm 19 Β° C rau 5 feeb. Txawm hais tias nws yog +40 Β° C sab nraum.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
Cov twj tso cua txias

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
Mesh hnab tshos lim thiab cais tso tsheb hlau luam rau purifying ethylene glycol los ntawm txhua yam hais thiab cua

Cov kab liab nyias nyob hauv pem teb hauv qab cov kav dej yog cov xau sensor daim kab xev. Lawv mus raws tag nrho ib puag ncig ntawm lub tub yees chaw.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Yog tias ib qho ntawm cov kav dej xau, ethylene glycol yuav nkag mus rau hauv cov kav dej thiab xaus rau hauv lub tank tshwj xeeb hauv chav kho dej. Kuj tseem muaj ob lub tso tsheb hlau luam nrog "sparre" ethylene glycol los ntxiv rau lub tub yees thaum muaj qhov xau loj.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Thiab hais txog chillers. Muaj 5 chillers ntawm lub ru tsev siv N + 1 redundancy tswvyim. Txhua txhua hnub, automation txiav txim siab, nyob ntawm lub sijhawm ua haujlwm, uas chiller muab tso rau hauv cia. 

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw
Chillers ntawm Stulz CyberCool 2 hom nrog lub peev xwm ntawm 1096 kW

Chillers txhawb peb hom:

  • compressor - los ntawm 12 Β° C;
  • sib tov - ntawm 0-12 Β° C;
  • free txias - los ntawm 0 thiab hauv qab no. Hom no suav nrog kev ua kom txias ntawm ethylene glycol los ntawm kev ua haujlwm ntawm cov kiv cua es tsis yog compressor.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Kev nyab xeeb ntawm hluav taws

Cov ntaub ntawv chaw muaj ob lub chaw tua hluav taws tua hluav taws. Txhua tus muaj ob lub roj teeb ntawm 11 lub tog raj kheej: thawj zaug yog qhov tseem ceeb, qhov thib ob yog qhov cia.

Kev tua hluav taws ntawm lub chaw cov ntaub ntawv txuas nrog rau tus neeg rau zaub mov ntawm Kalinin NPP, thiab, yog tias tsim nyog, chaw nres tsheb tus kheej qhov kev pabcuam hluav taws yuav tuaj txog ntawm qhov chaw hauv feeb.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Daim duab qhia txog lub tswb hluav taws kub thiab lub pob tawm thaum muaj xwm txheej ceev hauv chav turbine. Qhov tom kawg yog xav tau yog tias lub qhov rooj tsis tau xauv rau qee qhov laj thawj thaum lub tswb hluav taws kub: nws txiav tawm lub hwj chim rau lub xauv hluav taws xob.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Telecom

Ob txoj kev loj Rostelecom tuaj txog ntawm qhov chaw cov ntaub ntawv los ntawm txoj kev ywj pheej. Txhua DWDM system muaj peev xwm ntawm 8 Terabits.

Lub chaw cov ntaub ntawv muaj ob lub xov tooj inputs, uas nyob ntawm qhov deb ntawm ntau tshaj 25 meters ntawm ib leeg.

Tsis tas li tam sim no nyob rau ntawm lub xaib yog cov neeg ua haujlwm Rascom, Telia Carrier Russia, Consyst, thiab DataLine yuav tshwm sim yav tom ntej.  

Los ntawm Udomlya koj tuaj yeem tsim ib lub kwj dej mus rau Moscow, St. Petersburg lossis nyob qhov twg hauv Russia thiab ntiaj teb. 

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Saib xyuas

Cov kws ua haujlwm ntawm lub luag haujlwm yog ua haujlwm ntawm lub chaw saib xyuas ib puag ncig.

Tag nrho cov ntaub ntawv ntawm engineering systems tau txais ntawm no: kev nyab xeeb hauv lub tsev, qhov xwm txheej ntawm cov khoom siv, DIBP, thiab lwm yam.

Txhua ob teev, cov neeg ua haujlwm ua haujlwm ncig xyuas txhua qhov chaw tsim kho vaj tse los tshuaj xyuas qhov xwm txheej ntawm engineering thiab IT khoom. 

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Txhawb infrastructure

Ib cheeb tsam unloading yog muab rau kev xa cov khoom siv mus rau qhov chaw khaws ntaub ntawv.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Unloading cheeb tsam ntawm sab hauv.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Yog tias koj lub tsev nyob hauv pem teb thib ob, lub tshuab nqa hydraulic no yuav xa cov khoom siv rau ntawd.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Lockers rau khaws cov neeg siv khoom, thiab lwm yam.  

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Ib me ntsis txog lub neej txhua hnub

Rau cov neeg ua haujlwm tas mus li, koj tuaj yeem xauj cov chaw ua haujlwm hauv chaw ua haujlwm. Yog tias koj mus xyuas ib ntus, koj tuaj yeem nyob hauv ib lub tsev so ib ntus nrog txhua yam khoom siv zoo nyob ntawm thaj chaw ntawm cov ntaub ntawv chaw. 
Qhov chaw ua haujlwm tseem muaj chav noj mov thiab chav ua noj.  

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Thiab muaj qhov zoo kawg nkaus nyob ib puag ncig nrog hav zoov, pas dej, dej ntws, nuv ntses thiab lwm yam dej num sab nraum zoov. Tuaj mus saib.

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Ntawm Moscow thiab St. Petersburg: ncig saib ntawm Udomlya megadata chaw

Raws li tau cog lus tseg, ib qho txiaj ntsig zoo rau cov neeg uas ua rau nws kawg. Rau thawj rau lub hlis, xauj qhov chaw khib hauv Udomlya nrog lub zog ntawm 5 kW yuav pub dawb. Them tsuas yog rau cov hluav taws xob siv tiag tiag. Xa koj daim ntawv thov mus rau [email tiv thaiv].

Tau qhov twg los: www.hab.com

Ntxiv ib saib