valve opening meaning in Chinese
阀孔
阀门开度
活门开度
Examples
- The vacuum valve opens to admit air .
真空阀开启以补充空气。 - If the pressure builds up excessively, the pressure valve opens to relieve the pressure .
如果油箱内压力过高，则压力阀开启，以降低压力。 - The vacuum-relief valve opens to allow enough air to enter the tank to replace the gasoline pumped from the tank by the fuel pump .
真空阀通向大气，使足够的空气进入油箱，以补充由输油泵从油箱中吸出的燃油所占的面积。 - Valve opening chart at load rejection
甩负荷阀门开启阀 - So the exhaust valve opens before bdc and closes after tdc
因此排气门在下止点之前打开，在上止点之后关闭。