名词
中文翻译：曲轴启动爪
同义词：
['crankshaft starter', 'crankshaft catcher']
例句：
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1. The car's engine has a crankshaft starting claw that helps it start when cold.
这辆车的引擎有一个曲轴启动爪，当冷的时候它可以帮助车子启动。
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2. The engineer had to remove the crankshaft starting claw to replace the worn-out gears.
工程师不得不移除曲轴启动爪来更换磨损的齿轮。
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3. The new clutch design uses a crankshaft starting claw to improve fuel efficiency.
新的离合器设计使用了曲轴启动爪来提高燃油效率。