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четырхлопастное | буровое долото
- 只找到单语| Буровые Долота | |
| 莫利帕克 | Drill Bits |
| буровое долото | |
| 行话 | fishtail drilling bit |
| 桥梁建设 | boring bit |
| 技术 | drill bit; bore bit |
| 军队 技术 | boring tool; boring unit |
| 油田 | two-blade drag drilling bit |
| 钻孔 | sintered diamond bit |
| 石油/石油 | drilling bit |