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Mar 24, 2021Puas yog nws zoo dua rau pob zeb kom qhuav sai lossis qeebNws yog feem ntau zoo dua rau pob zeb kom qhuav maj mam es tsis nrawm. Cov txheej txheem ziab, tseem hu ua curing, plays lub luag haujlwm tseem ceeb hauv kev tsim cov pob zeb ua ko -
Jan 06, 2020Dab tsi yog 2 teeb meem loj hauv kev ua vaj tse pob zeb ua haujlwmKev siv cov pob zeb ua haujlwm, thaum ua haujlwm tau zoo thiab feem ntau siv hauv kev tsim kho, tuaj yeem ntsib ntau yam kev sib tw. Ob qhov teeb meem loj hauv kev ua vaj tse pob z -
Jan 04, 2020Dab tsi yog qhov tsis zoo ntawm cov twj tso kua misThaum cov twj tso kua mis muaj ntau qhov zoo, lawv kuj tuaj nrog qee qhov tsis zoo thiab cov kev sib tw uas yuav tsum tau xav txog thaum txiav txim siab seb yuav siv lawv li cas ra -
Apr 02, 2021Ntev npaum li cas 12 nti tuab pob zeb yuav siv sij hawm kom qhuavLub sij hawm ziab ntawm cov pob zeb yog cuam tshuam los ntawm ntau yam, nrog rau kev sib xyaw ua ke tsim, huab cua puag, thiab ib puag ncig yam. Thaum xa mus rau pob zeb "qhuav," n -
Apr 05, 2021Puas yog nws OK rau ncuav qhob ib ncig ntawm cov yeeb nkab PVCNws yog feem ntau pom zoo rau ncuav qhob ib ncig ntawm PVC (polyvinyl chloride) cov kav dej, muab qee qhov kev ceev faj thiab kev coj ua zoo tshaj plaws los xyuas kom meej qhov kev -
Apr 05, 2021Dab tsi yog 2 teeb meem loj hauv kev ua vaj tse pob zeb ua haujlwmDab tsi yog 2 teeb meem loj hauv kev ua vaj tse pob zeb ua haujlwm -
Mar 29, 2021Yuav ua li cas yog tias koj muab xuab zeb ntau dhau rau hauv pob zebYuav ua li cas yog tias koj muab xuab zeb ntau dhau rau hauv pob zeb -
Apr 12, 2021Lub twj tso kua mis zoo li cas kuv yuav tsum tau tso dej tawm ntawm kuv lub vajTxhawm rau tso dej tawm ntawm koj lub vaj, koj tuaj yeem siv ntau lub twj tso kua mis nyob ntawm seb qhov kev xav tau tshwj xeeb ntawm koj qhov xwm txheej. Qhov kev xaiv ntawm lub -
Apr 28, 2021Koj ua li cas yaj cov pob zeb nyuajDissolving nyuaj pob zeb yog ib txoj hauj lwm nyuaj, thiab nws feem ntau yuav tsum tau siv cov acids uas muaj zog. Nco ntsoov tias kev ua haujlwm nrog cov kua qaub tuaj yeem ua rau -
Feb 01, 2021Muaj pes tsawg wheelbarrows nyob rau hauv ib lub cubic meter ntawm pob zebMuaj pes tsawg wheelbarrows nyob rau hauv ib lub cubic meter ntawm pob zeb -
Jan 28, 2020Lub siab ntawm lub twj tso kua mis yog dab tsiLub siab ntawm lub twj tso kua mis yog dab tsi
