drill stem

US 
UK 
  • un.顿锻模钻杆;钻柱
  • Web钻具;钻头杆
un.
1.
顿锻模钻杆
2.
钻柱

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard