 |
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| 钻进规程 | |||
| |||
| 钻井实践; 钻井作业 | |||
|
drilling practices : 5 do fraz, 3 tematyki |
| Ropa / ropa naftowa | 1 |
| Technika i technologia | 2 |
| Wiercenie | 2 |
|
| |||
| 钻进规程 | |||
| |||
| 钻井实践; 钻井作业 | |||
|
drilling practices : 5 do fraz, 3 tematyki |
| Ropa / ropa naftowa | 1 |
| Technika i technologia | 2 |
| Wiercenie | 2 |