plunger

音标发音

The plunger retraced at once.
柱塞即缩回.
The solenoid plunger pulls the vent valve down, blocking off the passage to the charcoal canister.
电磁柱塞拉下通气阀, 堵住通向活性碳罐的通路.
With the car upside - down, the ball forces the plunger to seat against the guide plate.
当汽车倾倒时, 滚珠迫使柱塞落在支承板上.
The solenoid plunger pulls the vent valve down, blocking off the passage to the charcoal canister.
电磁柱塞拉下通气阀, 堵住通向活性碳罐的通路.
The plunger retraced at once.
柱塞即缩回.

a suction device consisting of a cup-shaped piece of rubber on the end of a stick, used to get rid of things that are blocking pipes

A plunger is a device for clearing waste pipes. It consists of a rubber cup on the end of a stick which you press down several times over the end of the pipe.