dual inside and outside seal

[dual inside and outside seal]
[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