[ 复数 plungers ]
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同义词： speculator
同义词： diver
同义词： plumber's helper
同义词： piston
以上来源于: WordNet
N-COUNT 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. (疏通管道用的)搋子
He has to push down hard on the plunger, and the process is slow.
他不得不用力推挤针管，这个过程非常慢。
Both systems use the spring or plunger instability against its counterpart to create the bias effect.
两种系统都使用弹簧或顶针相对于其配对体的不稳定性来形成偏置效果。
First, a plunger is pulled and rotated to release the drive and allow it to slide out of the server's case.
首先，旋转并拉出一个活塞，让硬盘滑出服务器的盒子。
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