Muck truck Yisa problem and the vehicle with the dust flying, is also one of the main sources of air pollutants.

渣土车遗撒问题和车辆带起的扬尘飞扬，也是空气污染物的主要来源之一。

youdao

Muck truck Yisa problem and the vehicle with the dust flying, is also one of the main sources of air pollutants.

渣土车遗撒问题和车辆带起的扬尘飞扬，也是空气污染物的主要来源之一。

youdao