dual-bore drill rod

[dual-bore drill rod]
[dual-bore drill rod]

中文释义

[地质] 双孔钻杆

单词分析

单词结构:

dual-bore drill rod

字母数:19

记忆提示

🎯 重点记忆:

  • 单词拼写:dual-bore drill rod
  • 核心含义:[地质] 双孔钻杆