名词
中文翻译：Unknown
同义词：
['automatic shut-off', 'automatic shutdown']
例句：
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1. The door has an automatic closing mechanism that prevents it from opening accidentally.
这扇门有一个自动关闭机制，防止它意外打开。
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2. The automatic closing system ensures that the doors are always closed securely.
自动关闭系统确保门总是安全地关闭。
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3. The automatic closing of the garage door is triggered by a sensor when the car is parked.
当汽车停放时，车库门的自动关闭是通过传感器触发的。