 |
| |||
| drive down casing spear; rotary releasing spear; casing catcher; drive-down casing spear | |||
| releasing spear | |||
| освобождающаяся труболовка: 9 短语, 3 学科 |
| 库页岛 | 2 |
| 生产 | 1 |
| 石油/石油 | 6 |
|
| |||
| drive down casing spear; rotary releasing spear; casing catcher; drive-down casing spear | |||
| releasing spear | |||
| освобождающаяся труболовка: 9 短语, 3 学科 |
| 库页岛 | 2 |
| 生产 | 1 |
| 石油/石油 | 6 |