Kev lag luam dej

Nrog rau kev nrawm nrawm ntawm nroog thiab kev txhim kho txuas ntxiv ntawm tib neeg txoj kev ua neej nyob, tsis yog tsuas yog cov dej siv tau nce sai, tab sis kuj tseem muaj cov kev xav tau dej zoo dua thiab siab dua."Dej" tau dhau los ua ib qho teeb meem loj uas txwv kev loj hlob ntawm kev lag luam hauv teb chaws thiab cuam tshuam nrog kev tsim kho hauv nroog.Nyob rau hauv xyoo tas los no, lub xeev tau nqis peev ntau ntawm cov peev txheej hauv kev tiv thaiv ib puag ncig rau kev tswj hwm, xws li kev nyab xeeb ntawm cov khoom siv dej, cov qauv tso tawm, thiab lwm yam. Cov teeb meem ntawm "khiav, emission, dripping thiab leaking" nyob rau hauv cov dej xav tau kev pab. yuav tsum tau daws, thiab cov twj tso kua mis yuav tsum tau txhim kho, yog li lub twj tso kua mis yuav tsum tau ua haujlwm ruaj khov thiab ntseeg tau.Kev ua haujlwm ntawm cov dej phwj tuaj kho yog qhov hnyav dua, thiab cov dej phwj tuaj muaj cov khoom siv xws li sediment thiab sludge, yog li kev sib khi yuav tsum siab dua.Raws li ntau xyoo ntawm kev lag luam kev lag luam, Tiangong tuaj yeem muab cov neeg siv khoom zoo thiab cov kev daws teeb meem yooj yim tshaj plaws.