The project design prevents pollution from the source and during the course of chemical reaction, which realizes zero pollution,zero waste.

 
  • 從工程設計上保證從源頭及化學(xué)反應過(guò)程就制止污染產(chǎn)生,實(shí)現零污染、零廢物排放。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan