名词
中文翻译：Unknown
同义词：
['multi-wire system', 'multi-conductor system', 'multi-coresystem']
例句：
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1. Thedouble-wire system is designed to preventthe spread of fire.
这种双线系统设计用来防止火灾蔓延。
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2. Theengineers developed a newdouble-wire system that improvedefficiency.
工程师们开发了一种新的双线系统，提高了效率。
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3. Thedouble-wire system wasinstalled in the subway toimprove safety.
在地铁中安装了双线系统以提升安全性。