Muaj ntau plhaws

Ntau txoj kev sib txuas ntawm DNG-A yog kev tua hluav taws thiab cawm cov cuab yeej siv rau cov neeg tua hluav taws, kev siv hluav taws, kev tua hluav taws, cov nplaim hluav taws, shovel, hluav taws pom, lauj, shear, kov, thiab ntxiv rau, yog 9 cov khoom siv thiab ib qho yog 13 cov khoom siv, cov neeg tua hluav taws muaj peev xwm xaiv tau txawv lub taub hau raws li qhov txawv ntawm qhov yuav tsum tau muaj. Vim hais tias cov kev sib txuas sib txuas muaj ntau yam kev ua haujlwm, yog li ntawd nws tuaj yeem siv qhov chaw ntawm ib co cuab yeej tes, cov kev sib txuas ntau kuj tseem txuag tau ntau qhov chaw. Kev sib thooj nquag nquag yog lub teeb heev, lub thawv rau khoom siv kom pom tseeb tias nws yog yooj yim los nqa, khaws cia thiab tu.

Cim npe nrov: Muaj ntau plhaws tawb, lwm tus neeg, manufacturers, nqe, kev muag khoom