名词
中文翻译：线触发器
同义词：
['wire trigger', 'line-triggered device']
例句：
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1.The line trigger was responsible for the automatic activation of the alarm system.
线路触发器负责自动激活警报系统。
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2. The engineer used a line trigger to test the new circuitry.
工程师使用线路触发器测试新的电路。
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3.The line trigger was designed to prevent accidental activation of the alarm during maintenance work.
线路触发器设计用来在维护工作期间防止意外激活警报。