Xov xwm

Tus kab mob coronavirus tshiab, tsim los ntawm 2019-nCoV, tau txheeb pom hauv Wuhan, lub nroog ntawm Tuam Tshoj lub xeev Hubei. Txog tam sim no, kwv yees li 40,171 tus neeg mob tau lees paub, suav nrog txhua lub xeev-theem faib ntawm Tuam Tshoj. Txij li thaum muaj mob ntsws ntsws tshwm sim los ntawm ...

Thaum Lub Ib Hlis 11, 2020, tom qab lub rooj sib tham txhua xyoo, Zoo li valve tau teeb tsa txhua tus neeg ua haujlwm kom muaj kev ncig xyuas ua ke. Zoo li valve yog lub tuam txhab hauv Tianjin. Txawm hais tias cov neeg ua haujlwm tau ua haujlwm hauv Tianjin, lawv feem ntau tsis khoom nrog kev tsim khoom thiab xa khoom, thiab tsis muaj ...

Thaum Lub Ib Hlis 10, 2020, Zoo li valve tau tuav lub rooj sib tham txhua xyoo. Lub ntsiab lus ntawm lub rooj sib tham txhua xyoo yog "bloom 2020, sib sau ua ke lub zog ua ke thiab yeej-yeej yav tom ntej". Thaum 4:30 teev tsaus ntuj, txhua tus neeg ua haujlwm tau sib sau ua ke hu nkauj thiab luag. Hauv lub rooj sib tham txhua xyoo, kev ua tiav hauv 20 ...

Kev tswj xyuas kev nyab xeeb thiab kev tsim khoom muaj xws li roj to, dej to, chav dej, pa taws, hluav taws xob, hluav taws xob to, thee to, hmoov to thiab roj to, uas yog qhov peb hu ua "khiav, emitting, dripping thiab to". Niaj hnub no, peb nthuav qhia s ...

Taboo 16 Kev tuav lub valve qhib thiab kaw, quab yuam ntau dhau Qhov tshwm sim: lub valve yuav puas yog lub teeb, thiab kev nyab xeeb kev nyab xeeb yuav tshwm sim yog tias nws hnyav Kev Ntsuas: phau ntawv valve, nws lub log los yog kov, yog tsim raws li cov neeg ua haujlwm zoo, c ...

Taboo 11 Tsis ncaj ncees lawm valve installation txoj kev. Piv txwv li, cov dej (steam) ntws cov kev taw qhia ntawm nres valve los yog kos valve yog opposite rau lub kos npe rau, lub valve qia yog ntsia downward, lub kos valve ntsia horizontally yog ntsia vertically, tus kov ntawm ri ...

Valve yog cov khoom siv ntau tshaj plaws hauv kev lag luam tshuaj. Nws zoo nkaus li yooj yim rau nruab lub valve, tab sis yog tias nws tsis ua raws li cov cuab yeej siv, nws yuav ua rau muaj kev nyab xeeb. Hnub no, kuv xav qhia qee qhov kev paub thiab kev paub txog ...

Lub Kaum Hli 21, 2019 txhua xyoo WETEX 2019 tau pib ua tiav hauv Dubai. WETEX qhia txog cov kev daws teeb meem tshiab tshaj plaws hauv cov pa hluav taws xob thiab rov ua dua tshiab, dej, kev ruaj khov, thiab kev txuag. Nws yog lub platform rau cov tuam txhab los txhawb lawv cov khoom thiab kev pabcuam, thiab mee ...

Qhov qhib thiab kaw qhov chaw ntawm qhov nres valve yog plug-shaped disc, lub sealing nto yog tiaj los yog conical, thiab lub disc txav mus rau hauv ib txoj kab ncaj nraim ntawm cov kab nruab nrab ntawm cov kua dej. Daim ntawv txav ntawm lub pas nrig muaj xws li nqa pas nrig hom (lub valve ...

Npauj npaim valve qhib thiab kaw daim yog ib tug disc-zoo li tus npauj npaim phaj, uas rotates nyob ib ncig ntawm nws tus kheej axis nyob rau hauv lub cev ntawm lub valve, yog li ua tiav qhov qhib thiab kaw los yog regulating ntawm lub valve yog hu ua npauj npaim valve. Npauj npaim li qub yog peb ...