loop vent

       
  • 环式通气管

loop vent的用法和样例:

例句

  1. A pilot-operated vent valve for pressure relief uses tank pressure, not weights or a spring, to keep the vent valve seat closed.
    先导式通气阀泄压时利用储罐压力,而不是重力或弹簧外力,来保持通气阀阀座关闭。
目录 查词历史