名词
中文翻译：电气开关
同义词：
['electronic switch', 'electronic switchgear', 'electrical control device']
例句：
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1. The new elevator has a digital electrical switching system.
新电梯有一个数字电气切换系统。
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2. The power plant uses a large number of electrical switching devices.
发电厂使用了大量的电气开关设备。
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3. The engineers designed the electrical switching system for the new bridge.
工程师们为这座新桥设计了电气切换系统。