Lub luag haujlwm ntawm cov nplaum nplaum
Hauv qee qhov kev tivthaiv tivthaiv kabmob thiab kev ua haujlwm, qee zaum qee qhov me me, hmoov av, impurities, thiab lwm yam yuav tsis raug rau ntawm qhov khoom. Yog tias koj siv nws los ntawm txhais tes, nws yuav txo qhov kev ua haujlwm ntawm txoj haujlwm no. Lub sij hawm twj - nplaum nplaum.
Cov khoom yog tsim ntawm polyethylene zaj duab xis, uas yog tsim nyob rau hauv cov duab ntawm ib tug nruas. Lub log ntawm cov khoom siv khov. Nws tuaj yeem ua kom zoo li lub nplaum nplaum. Qhov ntev ntawm cov nplaum nplaum yog 4 nti. Nws yooj yim heev rau siv. Tshem tawm cov plua plav tawm ntawm cov khoom thiab sai tshem tawm cov av tawm ntawm qhov npoo ntawm hauv pem teb, ru tsev, phab ntsa, rooj saum toj, thiab lwm yam. Ntxiv thiab, cov khoom no yuav tsum tau muab tso ua ke nrog cov nplaum tuav tus kheej kom ua tau raws li tus neeg xav tau raws li cov lus qhia, dav, ntev thiab viscosity; nws yog qhov yooj yim siv thiab cuam tshuam, thiab xav zoo thaum siv. Nws tuaj yeem ua kom muaj kev tshem tawm cov hmoov av tshem tawm thiab ua haujlwm zoo dua qub. Yog tias koj xav tias cov khoom no yog cov tswv yim zoo, ces saib ntawm lub tuam txhab lub zog.