英语词汇ring mains的意思、用法及释义-英汉双解词典

单词	ring mains
释义	ring mains main electrical circuit in a house, etc, off which branch supplies are taken （房子等配电线路的）环形主线.
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英汉双解词典包含38652条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。