Our concrete material is mixed in a rotating-drum batch mixer at the job site.

我们用的混凝土是在现场的间歇式专用搅拌机中搅拌的。

youdao

Our concrete material is mixed in a rotating-drum batch mixer at the job site.

我们用的混凝土是在现场的间歇式专用搅拌机中搅拌的。

youdao