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rocker arm /ˈɹɒkəɹ ˈɑːm/ n

中文：摇臂

中文 · 摇臂Español · balancínFrançais · culbuteurDeutsch · Hebel
Meaning：Lever, activated by the camshaft, that drives the inlet and exhaust valves to open them.
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Gasoline engine Structure of a four-stroke gasoline engine

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