实践证明，推行清洁生产是化工企业减亏增盈和防治污染的有效途径。

It is proved that practising cleaner production is an effective way of making up deficits...

youdao

实践证明，推行清洁生产是化工企业减亏增盈和防治污染的有效途径。

It is proved that practising cleaner production is an effective way of making up deficits...

youdao