名词
中文翻译：杠杆曲柄机构
同义词：
['clutch', 'gearbox', 'transmission']
例句：
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1.The lever crank mechanism on the car is responsible for shifting gears.
汽车上的杠杆曲柄机构负责换挡。
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2.The new transmission has a lever crank mechanism that makes it easy to shift gears.
新的传动系统有一个杠杆曲柄机制，使得换挡变得容易。
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3. The engineer used a lever crank mechanism to adjust the tire pressure.
工程师使用一个杠杆曲柄机制来调整轮胎压力。