main gearbox meaning in English
主减速机
主减速器；变速箱
Examples
- The main gearbox shifts gear by hand 。 distance control ， the gearshift mode is double h . the auxiliary gearbox shifts gear automatically by compressed air
主变速器为手动换档，可远程操纵或直接操纵，双h式换档方式，副变速器由压缩空气自动换档。