ring sealed tube

英 [ring sealed tube]
美 [ring sealed tube]

中文释义

[计] 环封管

单词分析

单词结构：

ring sealed tube

字母数：16

记忆提示

🎯 重点记忆：

  • 单词拼写：ring sealed tube
  • 核心含义：[计] 环封管

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更新时间：2026-03-16 02:22:59