扩眼 meaning in English
hole reaming
reaming ；underream
Examples
- Don t rotate until hole opener passes through the tgb
在扩眼器通过临时导向基板前不要旋转 - Eccentric underreaming bit
管下扩眼偏心钻头 - Run hole opener to sea bed
下扩眼器到海底 - Ustable expanding reamer
可调式扩眼器
hole reaming
reaming ；underream