名词
中文翻译：无接触式开关
同义词：
['touchless switch', 'contactless switch', 'touch-free switch']
例句：
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1.The new contactless switching system greatly improved the efficiency of our factory.
新的无接触式开关系统极大地提高了我们工厂的效率。
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2.The engineers are working on a contactless switching technology to improve energy efficiency.
工程师们正在研究一种无接触式开关技术以提高能源效率。
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3. The contactless switching technology is widely used in modern electronic devices.
无接触式开关技术在现代电子设备中得到了广泛应用。