Ntshav Txoj Koob Sau Ntshav Sau Tseg Kab
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CO-hom Ntshav Drug Drishing Tshuab
Kev txheeb ze tus cwj mem ib txwm siv hluav taws xob Cwj mem-dolumle koob kab sib dhos cov khoom noj, sib dhos ua ke, kuaj, ntim khoom, uas cov txheej txheem raw cov ntaub ntawv los ntawm kauj ruam mus rau cov khoom tiav. Thoob plaws tag nrho cov txheej txheem ntau lawm, ntau cov haujlwm ua haujlwm sib koom tes sib koom ua ke los txhim kho kev ua tau zoo; CCD ua kev sim nruj thiab siv zog rau kev ua tau zoo.