名词
中文翻译：拉绳开关
同义词：
['pull cord', 'pull-wire switch例句：1. The pull-cord switch is used to control the lights in the room.（拉绳开关用于控制房间的灯光。）']
例句：
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1. The pull-cord switch is used to control the lights in the room.
拉绳开关用于控制房间的灯光。
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2.The engineer found a pull-cord switch that could be easily operated by hand.
工程师发现一个可以用手轻易操作的拉绳开关。
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3. The pull-cord switch was designed to prevent accidental activation of the alarm system.
拉绳开关被设计成防止误触警报系统。