名词
中文翻译：门开关
同义词：
['door handle', 'door knob', 'door catch']
例句：
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1.The door switch is a simple device that controls the door's opening and closing.
门开关是一种简单的装置，用于控制门的开启和关闭。
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2. The old house had a door switch that was difficult to operate.
这所老房子的门开关很难操作。
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3. The new security system includes a door switch that can be easily programmed.
新的安全系统包括一个可以很容易编程的门开关。