Theory and practice hare proved that clean production is an important means to build environment-friendly society.

理论与实践证明，清洁生产是建设环境友好型社会的一项重要手段。

youdao

Theory and practice hare proved that clean production is an important means to build environment-friendly society.

理论与实践证明，清洁生产是建设环境友好型社会的一项重要手段。

youdao