| |||
| 冰花结构 | |||
|
ice structure : 15 phrases in 5 subjects |
| Earth sciences | 2 |
| Hydroelectric power stations | 2 |
| Metallurgy | 2 |
| Oil / petroleum | 3 |
| Technology | 6 |
| |||
| 冰花结构 | |||
|
ice structure : 15 phrases in 5 subjects |
| Earth sciences | 2 |
| Hydroelectric power stations | 2 |
| Metallurgy | 2 |
| Oil / petroleum | 3 |
| Technology | 6 |