| 出生地 |
China (Mainland) |
| 牌子的名字 |
TOP |
| 机器型号 |
钻探工具 |
| 验证 |
研究所 |
| 使用 |
钻井 |
Cutting Pilot Mill Shoes(available with common type, high efficient type) Cutting pilot mill shoe can be used to mill downhole junks with inner bore and shaking junks, such as drill pipes,drill collars and tubings, etc.