名词
中文翻译：指示开关
同义词：
['indication switch', 'indicator device', 'indicator switch']
例句：
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1. The indicator switch is used to indicate when the car has stopped.
指示开关用于指示汽车是否已经停止。
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2. The technician needs to check the indicator switch before starting the engine.
技术人员需要检查指示开关才能启动发动机。
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3. The indicator switch was designed to help drivers avoid accidents by alerting them of obstacles ahead.
指示开关的设计是为了帮助司机避免事故，通过提醒他们前方的障碍物。