| |||
K scale |
形平衡: 27 phrases in 13 subjects |
Agriculture | 2 |
Air defense | 1 |
Aviation | 2 |
Bridge construction | 5 |
Commerce | 1 |
Construction | 1 |
Desert science | 1 |
Economy | 1 |
General | 1 |
Hydroelectric power stations | 1 |
Technology | 9 |
Telecommunications | 1 |
Textile industry | 1 |