Xov xwm kev lag luam
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Dab tsi yog Chav Ua Noj Pov Tseg Rau Ib puag ncig cuam tshuam
Chav ua noj cov khoom pov tseg hauv chav ua noj ua rau cov khoom siv cov pa roj carbon monoxide nce mus txog qhov chaw kho dej, uas ua rau nce kev noj cov pa oxygen.Metcalf thiab Eddy ntsuas qhov cuam tshuam li 0.04 phaus (18 g) ntawm biochemical oxygen xav tau rau ib tus neeg hauv ib hnub uas siv cov pov tseg.] Ib qho ...Nyeem ntxiv -
Dab Neeg Pov Haum
Cov khoom pov tseg khib nyiab Ib chav pov tseg khib nyiab (tseem hu ua chav pov tseg pov tseg, pov tseg cov khib nyiab, garburator thiab lwm yam) yog ib qho khoom siv, feem ntau yog siv hluav taws xob, ntsia hauv qab chav ua noj dab dej ntawm lub dab dej thiab lub ntxiab.Lub chaw pov tseg shreds zaub mov pov tseg rau hauv daim sma ...Nyeem ntxiv
