名词
中文翻译：回缩器
同义词：
['retractor', 'retracting machine']
例句：
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1.The retraction jack was used to pull the car back into the garage.
回缩器被用来把汽车拉回到车库里。
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2. The retraction jack is a crucial component of the brake system.
回缩器是制动系统的一个关键部件。
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3. The retraction jack was designed to make the job easier for the mechanic.
回缩器的设计是为了使机械师的工作更轻松。