 |
| |||
| 扩大成漏斗喇叭形的 | |||
|
belled out : 14 phrases in 6 subjects |
| Architecture | 1 |
| Bridge construction | 1 |
| Engineering geology | 4 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Technology | 6 |
|
| |||
| 扩大成漏斗喇叭形的 | |||
|
belled out : 14 phrases in 6 subjects |
| Architecture | 1 |
| Bridge construction | 1 |
| Engineering geology | 4 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Technology | 6 |