seal with semicircular annular groove

[seal with semicircular annular groove]
[seal with semicircular annular groove]

中文释义

半圆形油封槽

单词分析

单词结构:

seal with semicircular annular groove

字母数:37

记忆提示

🎯 重点记忆:

  • 单词拼写:seal with semicircular annular groove
  • 核心含义:半圆形油封槽