 |
| |||
| concrete sample; concrete specimen | |||
| 混凝土试样: 11 phrases in 4 subjects |
| Electronics | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 1 |
| Technology | 8 |
|
| |||
| concrete sample; concrete specimen | |||
| 混凝土试样: 11 phrases in 4 subjects |
| Electronics | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 1 |
| Technology | 8 |