它们被广泛运用于谷物运输、锯木、沥青制造装置和清洁剂的生产中。

They are widely used in grain elevators, sawmills, asphalt plants and detergent manufacture.

youdao

它们被广泛运用于谷物运输、锯木、沥青制造装置和清洁剂的生产中。

They are widely used in grain elevators, sawmills, asphalt plants and detergent manufacture.

youdao