Cov khoom siv tua hluav taws
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MPB18 knapsack compressed cua npuas hluav taws tua hluav taws
1. Kev taw qhia txog cov khoom lag luam Nrog kev nce qib sai ntawm cov txheej txheem niaj hnub, qhov teeb meem hluav taws kub tau dhau los ua qhov nyuaj.Tshwj xeeb, cov tuam txhab petrochemical ntsib ntau thiab ntau qhov xwm txheej ceev hauv cov txheej txheem tsim khoom txhua hnub.Thaum muaj teeb meem tshuaj lom neeg muaj kev puas tsuaj tshwm sim, nws muaj kev sib kis sai sai thiab ntau yam kev puas tsuaj., Muaj ntau txoj kev raug mob, kev tshawb nrhiav tsis yooj yim, kev cawm yog nyuaj, thiab ib puag ncig muaj kuab paug.Hauv kev teb rau cov xwm txheej kub ntxhov xws li ...