 |
| |||
| cored | |||
| 型 芯的: 15 phrases in 7 subjects |
| General | 2 |
| Hydroelectric power stations | 1 |
| Mechanics | 1 |
| Metallurgy | 3 |
| Plastics | 2 |
| Shipbuilding | 1 |
| Technology | 5 |
|
| |||
| cored | |||
| 型 芯的: 15 phrases in 7 subjects |
| General | 2 |
| Hydroelectric power stations | 1 |
| Mechanics | 1 |
| Metallurgy | 3 |
| Plastics | 2 |
| Shipbuilding | 1 |
| Technology | 5 |