 |
| |||
| 图纸号码 | |||
| |||
| 图纸号码 | |||
| drawing No: 7 phrases in 6 subjects |
| Economy | 2 |
| Footwear | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Technology | 1 |
|
| |||
| 图纸号码 | |||
| |||
| 图纸号码 | |||
| drawing No: 7 phrases in 6 subjects |
| Economy | 2 |
| Footwear | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Technology | 1 |