plunger
n. [机] 活塞;潜水者;跳水者;莽撞的人
复数 plungers
例句
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。