| |||
| 成层砌石块体 | |||
|
block-in-course block : 18 phrases in 5 subjects |
| Architecture | 4 |
| Bridge construction | 1 |
| Construction | 1 |
| Hydroelectric power stations | 2 |
| Technology | 10 |
| |||
| 成层砌石块体 | |||
|
block-in-course block : 18 phrases in 5 subjects |
| Architecture | 4 |
| Bridge construction | 1 |
| Construction | 1 |
| Hydroelectric power stations | 2 |
| Technology | 10 |