 |
| |||
| 3-way bit | |||
| three-way bit; three-winged bit | |||
| three-blade bit | |||
| трёхлопастное долото: 8 a las frases, 5 temas |
| Campos de petróleo | 1 |
| Minería | 1 |
| Petróleo | 2 |
| Petróleo y gas | 3 |
| Tecnología de petróleo y gas | 1 |
|
| |||
| 3-way bit | |||
| three-way bit; three-winged bit | |||
| three-blade bit | |||
| трёхлопастное долото: 8 a las frases, 5 temas |
| Campos de petróleo | 1 |
| Minería | 1 |
| Petróleo | 2 |
| Petróleo y gas | 3 |
| Tecnología de petróleo y gas | 1 |