self-sharpening bit

[self-sharpening bit]
[self-sharpening bit]

中文释义

自磨钻头

单词分析

单词结构:

self-sharpening bit

字母数:19

记忆提示

🎯 重点记忆:

  • 单词拼写:self-sharpening bit
  • 核心含义:自磨钻头