copper backing

英 [copper backing]
美 [copper backing]

中文释义

铜垫片,铜衬底

单词分析

单词结构：

copper backing

字母数：14

记忆提示

🎯 重点记忆：

  • 单词拼写：copper backing
  • 核心含义：铜垫片,铜衬底

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更新时间：2026-03-13 19:06:49