变速箱式滑台由床身，滑板，丝杠，变速箱等组成。

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

youdao

变速箱式滑台由床身，滑板，丝杠，变速箱等组成。

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

youdao