seal by double conical frustum

英 [seal by double conical frustum]
美 [seal by double conical frustum]

中文释义

双截顶圆锥密封

单词分析

单词结构：

seal by double conical frustum

字母数：30

记忆提示

🎯 重点记忆：

  • 单词拼写：seal by double conical frustum
  • 核心含义：双截顶圆锥密封

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更新时间：2026-02-21 01:24:27