名词中文翻译
中文翻译：曲柄齿轮
同义词：
['crankshaft', 'crankcase', 'crankpin']
例句：
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1.The car's engine is powered by a crank gear.
这辆车的发动机是由曲柄齿轮驱动的。
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2.The old clock had a crank gear that was difficult to turn.
旧时钟有一个难以转动的曲柄齿轮。
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3. The engineer used a crank gear to adjust the gear ratio.
工程师使用曲柄齿轮来调整齿轮比。