钻柱 meaning in Chinese
drill column
drill stem drilling shaft
drill string/pipe
drilling column
drilling shafet
drilling stem
drilling string
drillstem
ds
string of tools
Examples
- Stability analysis of drill - string in directional drilling
定向井钻柱稳定性分析 - Analysis of longitudinal and torsion vibration of drillstring
钻柱纵向和扭转振动分析 - A similar - helix model of drillpipes buckling
钻柱失稳的准螺旋模型研究 - Specification for engineers ' ratchet braces and drilling pillars
工程用棘轮摇钻及钻柱规范 - Recommended practice for drill stem design and operating limits
钻柱设计和操作限度的推荐作法