drilling with step core drill

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

中文释义

[机] 阶梯扩孔

单词分析

单词结构:

drilling with step core drill

字母数:29

记忆提示

🎯 重点记忆:

  • 单词拼写:drilling with step core drill
  • 核心含义:[机] 阶梯扩孔