Hu Rau Peb Tam Sim No!

Xov xwm

  • Hauv thawj ib nrab ntawm lub xyoo, kev lag luam ntawm peb cov khoom lag luam thiab RCEP lub tebchaws tau nce 49.2% xyoo-rau-xyoo

    Raws li kev txheeb cais los ntawm General Administration of Customs, nyob rau thawj ib nrab ntawm 2021, kuv lub teb chaws cov khoom siv tshuab hluav taws xob thiab 14 tus tswv cuab hauv xeev ntawm Kev Koom Tes Ua Lag Luam Hauv Cheeb Tsam Hauv Cheeb Tsam (RCEP) tau ua tiav kev lag luam ntawm US $ 4.13 nphom, ib xyoo-rau- nce xyoo ...
    Nyeem ntxiv
  • 2020 Tokyo Olympics

    Tokyo 2020 Olympic Games, tseem hu ua 32nd Summer Olympic Games (Games of the XXXII Olympiad), yog kev sib tw kis las thoob ntiaj teb uas tau teeb tsa los ntawm Pawg Neeg Saib Xyuas Olympic ntawm Nyij Pooj. Nws qhib thaum Lub Xya Hli 23, 2021 thiab Lub Yim Hli 8. Hnub kaw. Tag nrho cov naj npawb ntawm cov tebchaws lossis cheeb tsam koom nrog rau ...
    Nyeem ntxiv
  • Lub 100th Hnub tseem ceeb ntawm Founding ntawm lub Communist tog ntawm Tuam Tshoj

       Thaum Lub Xya Hli 1, kev ua koob tsheej nco txog 100 xyoo ntawm kev tsim tsa Pawg Sab Laj ntawm Tuam Tshoj tau ua nyob rau hauv Beijing, thiab General Secretary Xi Jinping tau hais lus tseem ceeb. Ob peb hnub dhau los, cov neeg coob ntawm cov tswv cuab hauv pawg, cov tub ceev xwm thiab pawg neeg hauv kev tshaj tawm thiab ua txhaum ...
    Nyeem ntxiv
  • 56 cov lus nug thiab lus teb ntawm cov tshuab hluav taws xob diesel teeb – tsis yog. 36-56

    36. Yuav ua li cas faib qhov automation qib ntawm diesel generator teeb? Teb: Phau ntawv, pib tus kheej, pib ua haujlwm ntxiv rau lub khoos phis tawj hloov khoom siv hluav taws xob, nyob deb peb qhov deb (kev tswj chaw taws teeb, ntsuas chaw deb, ntsuas xyuas chaw deb.) 37. Vim li cas tus qauv hluav taws xob qhov hluav taws xob 400V hauv ...
    Nyeem ntxiv
  • 56 cov lus nug thiab lus teb ntawm cov tshuab hluav taws xob diesel teeb – tsis yog. 35

    31. Qhov twg rau cov txheej txheem suav nrog hauv cov khoom siv yooj yim ntawm lub tshuab hluav taws xob diesel teeb? Teb: (1) Roj lubrication system; (2) Roj system; (3) Tswj thiab tiv thaiv kab ke; (4) Cua txias thiab cua sov ua kom tawg; (5) Qhov tso pa tawm; (6) Pib qhov system; 32. Vim li cas peb thiaj sim peb qhov zoo tshaj plaws los qhia rau ...
    Nyeem ntxiv
  • 56 cov lus nug thiab lus teb ntawm cov tshuab hluav taws xob diesel teeb – tsis yog. 30

    26. Cov ntsiab lus dab tsi yuav tsum tau them sai sai rau thaum siv lub tshuab hluav taws xob diesel teeb? Teb: 1) Cov dej hauv lub tank dej yuav tsum muaj txaus thiab ua haujlwm tsis tu ncua nyob hauv qhov ntsuas kub tso cai. 2) Cov roj nplua nyeem yuav tsum nyob hauv qhov chaw, tab sis tsis ntau dhau, thiab ua haujlwm tsis tu ncua nyob rau hauv qhov tso cai siab ...
    Nyeem ntxiv
  • 56 cov lus nug thiab lus teb ntawm lub tshuab hluav taws xob diesel teeb – tsis yog. 25

    21. Qhov zaus ntawm lub tshuab hluav taws xob teeb tsa tau ruaj khov, tab sis qhov hluav taws xob tsis ruaj khov. Qhov teeb meem nyob ntawm lub cav lossis lub tshuab hluav taws xob? Teb: Nws nyob hauv lub tshuab hluav taws xob. 22. Dab tsi tshwm sim rau qhov poob ntawm cov hlau nplaum ntawm lub tshuab hluav taws xob thiab yuav ua li cas nrog nws? Teb: Lub tshuab hluav taws xob tsis siv ntev ...
    Nyeem ntxiv
  • 56 cov lus nug thiab lus teb ntawm lub tshuab hluav taws xob diesel teeb – tsis yog. 20

    16. Yuav ua li cas xam qhov tam sim no ntawm lub tshuab hluav taws xob peb-theem? Teb: Kuv = P / (√3 Ucos that) uas yog, tam sim no = lub zog (watts) / (√3 * 400 (volt) * 0.8). Cov qauv yooj yim yog: Kuv (A) = chav ntsuas lub zog (KW) * 1.8 17. Dab tsi yog kev sib raug zoo ntawm lub zog pom tseeb, lub zog muaj zog, lub zog ntsuas, siab tshaj ...
    Nyeem ntxiv
  • 56 cov lus nug thiab lus teb ntawm lub tshuab hluav taws xob diesel teeb – tsis yog. 15

    11. Tom qab tus kws kho hluav taws xob ua haujlwm siv lub tshuab hluav taws xob diesel teeb tsa, yam twg peb lub ntsiab lus yuav tsum xub ua pov thawj? Teb: 1) Txheeb xyuas lub zog muaj txiaj ntsig zoo ntawm chav tsev. Tom qab ntawd txiav txim siab lub zog kev lag luam thiab khaws cia lub zog. Txoj hauv kev pom zoo lub zog muaj txiaj ntsig zoo ntawm chav tsev yog: 12-teev r ...
    Nyeem ntxiv
  • 56 cov lus nug thiab lus teb ntawm lub tshuab hluav taws xob diesel teeb – tsis yog. 10

    6. Cov teeb meem dab tsi yuav tsum tau them nyiaj mloog rau thaum siv qhov nruab nrab qhov chaw tsis sib xws? Cov teeb meem twg yuav tsum tau them sai sai rau thaum siv chav nyob nrog qhov tsis muaj qhov nruab nrab ntawm qhov nruab nrab? Cov teeb meem twg yuav tsum tau them sai sai rau thaum siv chav nyob nrog qhov tsis muaj qhov nruab nrab ntawm qhov nruab nrab? Dab tsi teeb meem shou ...
    Nyeem ntxiv
  • 56 cov lus nug thiab lus teb ntawm lub tshuab hluav taws xob diesel teeb – tsis yog. 5

    1. Dab tsi yog qhov xwm txheej rau kev siv ob lub tshuab hluav taws xob ua ke? Cov cuab yeej twg yog siv los ua kom tiav txoj haujlwm ua haujlwm? Teb: Qhov xwm txheej rau kev siv ua ke yog qhov tam sim ntawd qhov hluav taws xob, zaus thiab theem ntawm ob lub tshuab yog tib yam. Feem ntau hu ua "peb tib txhij R ...
    Nyeem ntxiv
  • Cov qauv siv roj ntawm cov tshuab hluav taws xob diesel

    Feem ntau, kev siv roj ntawm cov tshuab hluav taws xob diesel tau suav raws li 0.2-0.25kg/kW.hour, thiab ib litre ntawm diesel yog li 0.84-0.86 kg. Tom qab ntawd 1KW ib teev twg yog 0.2-0.25kg faib los ntawm 0.84 = 0.238 litres-0.3 litres, sib npaug los ntawm kilowatts sib npaug rau kev siv roj ib teev. Yog, 0 ...
    Nyeem ntxiv
1234 Tom ntej> >>> Nplooj ntawv 1 /4

Xa koj cov lus rau peb:

Sau koj cov lus ntawm no thiab xa tuaj rau peb