plungers
[机] 活塞
[机] 柱塞
例句
Low Volume, Low Pressure, Vapor, (Flat Top Plungers).
低体积,低压力,蒸汽,(平顶活塞)。
A type of fluid pump in which reciprocating pistons or plungers displace the fluid.
流体泵的一种类型。它的往复运动的活塞或柱塞驱替流体。
Moreover, the ball plungers (6) are positioned near the piston top dead center, at which the piston ring is positioned.
另外,球塞(6)设置在靠近活塞上死点的活塞环所在的部位。