Kev paub
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11
Jun
Puas yog Coal npaj cog xav tau lub tswb ntsuas roj?Cov plua plav, qhov kub thiab txias, cov roj combustible thiab cov tshuaj lom thiab cov teeb meem uas tsim nyob rau hauv cov txheej txheem ntawm cov thee ua thiab ntau lawm hauv thee washery and thee
Ntau -
21
May
Yuav ua li cas rau nruab ammonia detector nyob rau hauv kua ammonia cia tank ...Yuav ua li cas rau nruab ammonia detector nyob rau hauv kua ammonia cia tank rau txias cia?
Ntau -
16
Nov
Lub hauv paus ntsiab lus thiab kev siv lub tshuab pa roj carbon dioxideCov pa roj carbon dioxide yog lub ntsuas cov khoom siv los nrhiav cov pa roj carbon dioxide. Nws yog tsuas yog siv hauv kev tu tsiaj, kev lag luam, cov chaw pej xeem, kev ua liaj ua teb thiab lwm cov
Ntau -
31
Dec
Kev daws teeb meem rau roj tawg-pov thawj cov khoom kuaj hauv kev lag luam ts...Lub tswb foob roj yog qhov tseem ceeb heev rau peb kev lag luam chemical, rau ntau lub roj yuav tsum muaj tus kws tshwj xeeb tuaj yeem tshawb pom nws cov khoom yog qhov tseem ceeb tshaj plaws, pa roj
Ntau -
17
Dec
Kev Nyab Xeeb Kev Nyab Xeeb-Pov Thawj Pov ThawjNws yog ib qho tseem ceeb kom ceev faj txog kev nyab xeeb thaum caij ntuj no. Txhawm rau txhawm rau tiv thaiv kev tiv thaiv kev tawg, yuav tsum muaj cov kev coj ua hauv qab no: 1. Ua ntej taws, lub ts
Ntau -
24
Dec
Cov pa oxygen yog qhov tseem ceeb-tab sis ob qho tag nrho hypoxia thiab oxyge...Cov pa oxygen, ib qho ntawm cov khoom loj ntawm huab cua, hnyav dua li huab cua thiab muaj qhov ntom ntawm 1.429 g / l raws li cov txheej txheem (0 ℃ thiab ATMOSPHERIC lub siab 101325 pa) .Colorless,
Ntau -
01
Mar
Huafan Ib-point phab ntsa mounted gas tswb ntes nrog relay tso zisHuafan Ib-point phab ntsa mounted gas tswb ntes nrog relay tso zis
Ntau -
06
Jan
Qhov sib txawv ntawm ib txwm qhib solenoid valve thiab nquag kaw solenoid valveLub hauv paus ntsiab lus ua haujlwm ntawm lub roj solenoid valve, kev siv ncaj qha tswj ntawm tus lig xov mus kaw lub valve (lossis qhib lub valve), thaum lub kauj yog energized, lub zog hluav taws xo
Ntau













