dual inside and outside seal

英 [dual inside and outside seal]
美 [dual inside and outside seal]

中文释义

[化] 双重内外密封

单词分析

单词结构：

dual inside and outside seal

字母数：28

记忆提示

🎯 重点记忆：

  • 单词拼写：dual inside and outside seal
  • 核心含义：[化] 双重内外密封

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更新时间：2026-02-20 08:02:03