名词
中文翻译：电动开关机
同义词：
['electric switch', 'electric switch device', 'electric switch system']
例句：
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1. This electric switch machine is easy to operate and maintain.
这款电动开关机易于操作和维护。
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2. The new electric switch machine has improved efficiency and reduced energy consumption.
新型电动开关机提高了效率并降低了能源消耗。
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3.The electric switch machine was designed for industrial applications with high reliability and safety standards.
这款电动开关机是为工业应用设计的，具有高可靠性和安全标准。