英语词汇rocker arm怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	rocker arm
释义	rocker armn.（名词） A pivoted lever used in an internal combustion engine to transfer cam or pushrod motion to a valve stem.摇臂：一种装有枢轴的用于在内燃机里把凸轮或挺杆的运动转移到阀门的阀杆上的控制杆
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