bellows expansion seal

英 [bellows expansion seal]
美 [bellows expansion seal]

中文释义

伸缩膨胀密封

单词分析

单词结构：

bellows expansion seal

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：bellows expansion seal
  • 核心含义：伸缩膨胀密封

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更新时间：2026-02-04 19:23:01