名词
中文翻译：Unknown
同义词：
['three-core wire', 'three-core cable']
例句：
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1.The power line is made of three-wire insulation.
这条电力线路由三芯绝缘材料制成。
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2. The new phone uses a three-wire charging system.
这款新手机采用三芯充电系统。
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3.The three-wire wiring system was installed in the factory.
在工厂安装了三芯接线系统。