名词
中文翻译：电火花机
同义词：
['electronic spark machine', 'electric spark device']
例句：
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1. This electric spark machine is very efficient in cutting metal.
这台电火花机在切割金属时非常高效。
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2.The engineer used the electric spark machine to remove rust from the metal parts.
工程师使用电火花机去除金属部件上的锈迹。
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3.The electric spark machine was used as a tool for testing electrical connections.
电火花机被用作测试电气连接的工具。