slim hole meaning in English
细孔
小井眼
小口径孔
小口径钻孔
小眼井
小直径钻孔
Examples
- Characteristics and application of deep slim hole coring tool in sichuan
川式深井小井眼钻井取心工具技术特点与应用 - Analysis of decreasing torque effect and the location of non - rotating drill pipe protector in slim hole
小井眼钻杆保护器减扭效果与合理布置分析