petcock
「petcock」的意思
n. 小活栓；小龙头；扭塞
n.小活栓,小龙头
「petcock」的用法
petcock放气阀，旋塞阀 - 在飞机上，petcock用于控制燃油系统的压力。
「petcock」的例句
He turned the petcock to release the pressure.
他拧动了放气阀来释放压力。
The pilot checked the petcock before takeoff.
飞行员在起飞前检查了放气阀。
The mechanic tightened the petcock to ensure proper function.
机械师拧紧了放气阀以确保正常工作。
The aircraft's fuel system included a petcock for pressure regulation.
飞机的燃油系统包含一个放气阀用于压力调节。
After landing, the crew turned off the petcock to prevent fuel leakage.
着陆后，机组人员关闭了放气阀以防止燃油泄漏。
The mechanic inspected the petcock for any signs of wear or damage.
机械师检查了放气阀是否有磨损或损坏的迹象。
The ground crew replaced the old petcock with a new one.
地面工作人员将旧的放气阀更换为新的一个。
The pilot opened the petcock to allow fuel to flow into the engine.
飞行员打开了放气阀以允许燃油流入发动机。
The mechanic checked the petcock during routine maintenance.
机械师在例行维护期间检查了放气阀。
After takeoff, the crew turned on the petcock to maintain proper pressure.
起飞后，机组人员打开了放气阀以维持适当的压力。