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活塞
释义
活塞piston plunger 【医】 piston stop-cock 活塞huósāi(1)[piston]由液压驱动或逆液压而动的滑动部件,通常为短圆筒装在圆筒形容器内并沿筒作往复运动(2)[ventil]各种管乐器的活门(3)[plunger]由液压推动或顶着液压而动的滑动机件
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更新时间:2026/8/24 1:35:31