 |
drill pipe
| end area
| inspection
| drill pipe | |
| bridg.constr. | 钻管 |
| end area | |
| avia. | 端面积 |
| inspection | |
| gen. | 视察 |
| environ. | 检查 |
| hydroel.st. | 检查; 检验 |
| light. | 检修，检验 |
| |||
| 钻管 | |||
| 钻探管; 钻杆 | |||
| drill pipe: 298 phrases in 11 subjects |
| Drilling | 85 |
| Earth sciences | 9 |
| Engineering geology | 2 |
| General | 1 |
| Geophysics | 3 |
| Mechanics | 11 |
| Metallurgy | 6 |
| Oil / petroleum | 90 |
| Shipbuilding | 1 |
| Steel production | 2 |
| Technology | 88 |
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