The productive practice shows that the productive operation, equipment maintenance and operation cost are badly influenced by the shock load caused by fecal sewage quality.

 
  • 生產(chǎn)實(shí)踐表明,由糞便水造成的水質(zhì)沖擊負荷對生產(chǎn)運行不利,導致設備維護率提高、運行成本增加。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan