Reduced Pressure Detector Assembly shall be installed at each cross-connection to prevent backsiphonage and backpressure of hazardous materials into the potable water supply.

 
  • 为了防止危险物质通过反虹吸和反压力进入饮用水供应系统,在每个交叉连接地方都应该安装一个减压检测阀总成。
今日热词
目录 附录 查词历史