Gear box is made up of sliding table by the bed, skateboard, screw, gearbox, etc.

变速箱式滑台由床身，滑板，丝杠，变速箱等组成。

youdao

Gear box is made up of sliding table by the bed, skateboard, screw, gearbox, etc.

变速箱式滑台由床身，滑板，丝杠，变速箱等组成。

youdao