 |
| |||
| serviceable | |||
| 能操作的: 15 phrases in 11 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Aviation | 1 |
| Drilling | 1 |
| Economy | 1 |
| General | 3 |
| Lighting other than cinema | 1 |
| Metallurgy | 1 |
| Refrigeration | 2 |
| Technology | 2 |
| Telecommunications | 1 |
|
| |||
| serviceable | |||
| 能操作的: 15 phrases in 11 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Aviation | 1 |
| Drilling | 1 |
| Economy | 1 |
| General | 3 |
| Lighting other than cinema | 1 |
| Metallurgy | 1 |
| Refrigeration | 2 |
| Technology | 2 |
| Telecommunications | 1 |