名词
中文翻译：内部锁定信号
同义词：
['internal locking signal', 'internal locking device']
例句：
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1. The internal lock signal ensures that the door is securely locked before leaving the room.
内部锁定信号确保在离开房间前门被安全锁定。
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2.The internal lock signal was designed to prevent unauthorized access to the building's security system.
内部锁定信号设计用来防止未经授权访问建筑的安全系统。
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3. The engineer used an internal lock signal to ensure that only authorized personnel could enter the restricted area.
工程师使用内部锁定信号来确保只有授权人员才能进入限制区域。