名词
中文翻译:主活塞
同义词:
['main valve', 'mainstem']
例句:
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1. The mainplunger is responsible for controlling the flowof oil through the engine.
主活塞负责控制油通过发动机的流动。
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2. Main plungers are used to adjust the height ofthe pistons in the cylinder.
主活塞用于调整气缸内活塞的高度。
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3. Duringmaintenance, the main plunger was replacedwith a new one.
维护期间,主活塞被更换为一个新的。