surface casing
| cementation
| surface casing | |
| met. | 表层套管 |
| oil | 地面套管 |
| cementation | |
| bridg.constr. | 灌浆; 水泥灌浆 |
| met. | 粘结性; 粘结作用; 渗碳; 烧结 |
| oil | 胶合; 胶结 |
| |||
| 表层套管 | |||
| 地面套管 | |||
| 地面套筒; 表面防护罩; 外壳 | |||
|
surface casing : 10 phrases in 4 subjects |
| Drilling | 1 |
| Earth sciences | 5 |
| Oil / petroleum | 2 |
| Technology | 2 |