 |
| |||
| lay-flat width | |||
| 折径: 18 phrases in 9 subjects |
| Astronautics | 1 |
| Biotechnology | 1 |
| Drilling | 1 |
| Economy | 1 |
| Electronics | 1 |
| Geophysics | 1 |
| Oil / petroleum | 3 |
| Technology | 8 |
| Telecommunications | 1 |
|
| |||
| lay-flat width | |||
| 折径: 18 phrases in 9 subjects |
| Astronautics | 1 |
| Biotechnology | 1 |
| Drilling | 1 |
| Economy | 1 |
| Electronics | 1 |
| Geophysics | 1 |
| Oil / petroleum | 3 |
| Technology | 8 |
| Telecommunications | 1 |