名词
中文翻译：铃响转换开关
同义词：
['ringing switch', 'ringing relay', 'ringing relay switch']
例句：
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1. The newalarm clock has a ringing changeover switch that can be easily operated by pressing the button on the side.
这款新闹钟有一个易于操作的铃响转换开关，只需按侧面按钮即可。
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2.In the old days, people used to use a ringing changeover switch to signal danger or warnings.
在旧时代，人们常用一个铃响转换开关来发出危险或警告信号。
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3. The ringing changeover switch was designed to prevent power outages during peak usage periods.
铃响转换开关的设计旨在在高峰使用期间防止停电。