The end of the discharge line opening should terminate near a floor drain or other suitable location not subject to blocking or freezing.

 
  • 排泄管道的終端開(kāi)口必須靠近地漏或其他不會(huì )堵塞或凍結的地方。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan