名词中文翻译
中文翻译：关闭单元
同义词：
['closing device', 'closing mechanism']
例句：
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1. The engineer designed a new typeof closing unit for the elevator.
工程师为电梯设计了一种新型的关闭装置。
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2. Thefactory uses a closing unit to automatically closeits doors when the machine is turned off.
工厂使用一种自动关闭装置来在机器关闭时自动关闭门。
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3. The closingunit was responsible for ensuring that the doorcould only be opened from the inside.
关闭装置负责确保只有从内部才能打开门。