名词
中文翻译：单极双掷开关
同义词：
['single pole double throw switch', 'single pole double throw relay', 'singlepole double throw switch', 'single pole doublethrow relay']
例句：
-
1. Thenew lighting system uses a single-poledouble throw switch to control the brightnessof the lights.
新的照明系统使用单极双掷开关来控制灯光的亮度。
-
2.The old manual switch was replaced by asingle-pole double throw switch for betterreliability and safety.
旧的手动开关被一个单极双掷开关所取代，以获得更好的可靠性和安全性。
-
3. The engineertested the single-pole double throw switchbefore installing it in the factory.
工程师在工厂安装之前测试了单极双掷开关。