横撑: 183 phrases in 15 subjects |
Architecture | 14 |
Athletics | 1 |
Automobiles | 4 |
Aviation | 1 |
Bridge construction | 9 |
Electronics | 2 |
Engineering geology | 7 |
General | 7 |
Gymnastics | 1 |
Hydroelectric power stations | 3 |
Metallurgy | 3 |
Nautical | 1 |
Rail transport | 1 |
Shipbuilding | 1 |
Technology | 128 |