Vim li cas cov npe extraction npe

Extraction ntauwd, tseem hu ua extraction ntauwd, yog ib hom kua - kua hloov mus rau lwm qhov khoom siv feem ntau hauv kev lag luam chemical, kev tsim kho roj av, kev tiv thaiv ib puag ncig thiab lwm cov kev lag luam. Ua kua - cov kua tawm yog ib txoj kev hloov ntawm huab hwm coj. Ib lossis ntau qhov sib xyaw ua ke hauv kev sib tov sib xyaw yog muab rho tawm nrog lwm cov kua (hu ua kuab tshuaj, uas yog tsis sib haum nrog cov kuab tshuaj sib tov). , Nws tuaj yeem raug sib cais, nplua nuj thiab huv. Cov txheej txheem no yog hu ua rho tawm, rho tawm, ua kua - kua ua kua, cov txheej txheem kuab tshuaj. Cov khoom siv ua haujlwm hu ua tus extractor. Muaj ib-zaug thiab ntau yam ntxiv, thiab muaj cov khoob thiab cov txheej txheem ntxiv mus txuas ntxiv. Tus rho tawm siv rau kev nruam tawm ntau yam yog cov cuab yeej siv ntau zog hu ua kev tsim tawm ntauwd. Nws cov qauv sab hauv yog siv lub ntiajteb txawj nqus lossis kev siv tshuab los zom cov kua ua kua, uas tau tawg rau lwm cov kua txuas ntxiv rau cov kua - kua tawm.

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