The contractor for the new school building gave out subcontracts to a plumber a steam fitter etc.

承造学校新建筑的人又将工程转包给铅管工人，汽管装配工人等等。

youdao

The contractor for the new school building gave out subcontracts to a plumber a steam fitter etc.

承造学校新建筑的人又将工程转包给铅管工人，汽管装配工人等等。

youdao