名词
中文翻译：回作用扣件
同义词：
['reciprocating clutch', 'backlash clutch']
例句：
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1.The car's engine has a back-action clutch that allows it to start smoothly when the brake pedal is pressed.
这辆车的引擎有一个回作用扣件，当踩下刹车踏板时，它能够平稳地启动。
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2. The engineer found the problem and replaced the back-action clutch with a new one.
工程师发现了这个问题，并用一个新的回作用扣件替换了原来的。
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3. The technician had to dismantle the back-action clutch to replace the worn out parts.
技术人员不得不拆卸回作用扣件来更换磨损的部分。