当弹簧最终抬高柱塞，将开关推向“打开”位置时，雨刷开始运行。
The spring eventually caused the plunger to rise, and moved the switch to the “on” position. The wipers wiped.
当引擎冷却时，通过出口软管吸入空气，在真空管产生吸气，导致柱塞向下挤压弹簧。
The engine, as it cooled itself, sucked in air through the outlet hose, producing suction in the vacuum chamber, and so drawing the plunger down and compressing the spring.
它是一款非常小巧的真空管，形状和大小如浴缸塞，内含一个柱塞和弹簧，由两个小型空气软管连接。
It was a small vacuum chamber, about the size and shape of a bathtub stopper, that contained a plunger and spring, and had two small air hoses attached to it.
液力端主要由液缸、吸入、排出阀总成、吸入、排出弹簧、吸入管、柱塞、盘根、安全阀、稳压器等部件组成。
Fluid end consists mainly of module, suction and discharge valve assembly, suction and discharge spring, suction and discharge pipe, plunger, packing, safety valve and pressure regulator, etc.
最常用的一种回压阀使用弹簧张力和对柱塞的压力来保持压力。
The most common type USES spring tension and pressure against a plunger to maintain the pressure.
泵阀件采用带导向杆的半球形柱塞结构，弹簧制动，精确控制阀球与阀座对中，启闭动作及时。
The pump valve has a structure of semi-spheric plunger with guide rod, and its seat and ball are aligned by means of a spring, and it is opened and closed in time.
再加上威德福独特的高性能缓冲弹簧，柱塞能够承受在地面和井下高强度的冲击。
Coupled with uniquely designed bumper springs from Weatherford, the plunger can withstand high impacts at the surface and downhole.
一恢复弹簧提供给新闻界走向电枢柱塞。
A restoring spring is provided to press the plunger toward the armature.
通过修改调速特性曲线、改进喷油泵柱塞的结构和调整怠速弹簧长度消除了故障。
By modifying governor characteristic curve and the edges of helix and vertical groove in plunger, as well as adjusting the length of idling spring, the fault is eliminated.
密封：自动调节，弹簧底座，双层V-密封维持高压密封和延长密封与柱塞寿命。
V-packings: Self-adjusting, spring-loaded, double V-packings maintain constant high pressure seal compression and extend seal and plunger life.
密封：自动调节，弹簧底座，双层V-密封维持高压密封和延长密封与柱塞寿命。
V-packings: Self-adjusting, spring-loaded, double V-packings maintain constant high pressure seal compression and extend seal and plunger life.
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