名词中文翻译
中文翻译：曲柄运动
同义词：
['cranking motion', 'crankshaft motion']
例句：
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1. The car's engine was running smoothly with the crank-motion.
汽车的引擎在曲柄运动下运行得很平稳。
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2.The old clock had a crank-motion that could be heard from across the room.
旧时钟有一个可以听到的曲柄运动，从房间的另一边都能感觉到。
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3.The engineer used a crank-motion to test the new gearbox.
工程师使用曲柄运动来测试新的变速箱。