self-protected tube

英 [self-protected tube]
美 [self-protected tube]

中文释义

自防护管

单词分析

单词结构：

self-protected tube

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：self-protected tube
  • 核心含义：自防护管

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更新时间：2025-12-12 00:30:26