Suction piping for all pumps shall have at least five(5) times the nominal pump suction flange diameter of straight pipe upstream of the suction nozzle.

 
  • 所有水泵的吸水管道直徑至少應有5倍于吸入口的上升直水管段的額定邊緣直徑。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan