rocker-arm

英 ['rɒkər'ɑːm] 美 ['rɒkər'ɑːm]

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rocker-arm的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 rocker arm:

1. a lever pivoted at the center; used especially to push a valve down in an internal-combustion engine