floating head backing device

英 [floating head backing device]
美 [floating head backing device]

中文释义

[化] 浮动背衬环

单词分析

单词结构：

floating head backing device

字母数：28

记忆提示

🎯 重点记忆：

  • 单词拼写：floating head backing device
  • 核心含义：[化] 浮动背衬环

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更新时间：2026-03-10 09:44:40