名词
中文翻译：接力式接触焊接机
同义词：
['relay welder', 'relay welding machine']
例句：
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1.The relay contact welder is used to connect the power source and the load.
接力式接触焊接机用于连接电源和负载。
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2. The relay contact welder was designed for industrial applications.
接力式接触焊接机是为工业应用设计的。
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3. The relay contact welder is essential for maintaining the safety of electrical systems.
接力式接触焊接机对于维护电气系统的安全性至关重要。