Ceeb Toom thiab Hoisiting ntawm lub tshuab conveyor !!!
Txhawm rau khiav kev nyab xeeb peb tau cim thiab ceeb toom tag nrho cov ntaub ntawv ntawm lub tshuab, kom cov neeg siv khoom
tuaj yeem tiv thaiv lub tshuab khiav zoo heev.
1.Peb yuav kos npe thov khiav lub tshuab no yuav tsum tau ntxiv lub tshuab roj
