drilling with step drill

[drilling with step drill]
[drilling with step drill]

中文释义

阶梯钻削

单词分析

单词结构:

drilling with step drill

字母数:24

记忆提示

🎯 重点记忆:

  • 单词拼写:drilling with step drill
  • 核心含义:阶梯钻削