flap valve

常见例句

双语例句

• This valve is normally automatic work, in a direction of flow of fluid under pressure, open the flap valve;
  通常这种阀门是自动工作的，在一个方向流动的流体压力作用下，阀瓣打开；
• The erection of counterweight is the main technical measure for reducing the flap valve resistance and energy consumption.
  安装平衡锤是减少拍门阻力和能源消耗的主要技术措施。
• Meanwhile, the flap valve can be used to adjust weight, spring tension and the bottom outlet valve flap valve opening size to determine the pressure and open and close time.
  同时，可以利用调整阀瓣的自重、弹簧的弹力以及阀瓣的底孔大小来确定阀门的开启压力和启闭时间。

权威例句

• These valves use a screw type valve instead of a simple flap, and they have a pressure regulating mechanism that will vent water to the ground if the intake pressure exceeds a set level.
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