vacuum cylinder piston spring 真空缸活塞弹簧
vacuum lock spring 真空闭锁弹簧
distributor vacuum brake spring 分配器真空闸弹簧
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.
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。
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.
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。
The automatic choke includes a thermostatic spring and a vacuum piston.
自动阻风门包括一个恒温控制弹簧和一个真空活塞。
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