填塞 料 : 40 phrases in 11 subjects |
Architecture | 6 |
Automobiles | 1 |
Compressors | 1 |
Explosives and Explosive Ordnance Disposal | 3 |
General | 2 |
Hydroelectric power stations | 1 |
Nautical | 1 |
Oil / petroleum | 2 |
Refrigeration | 1 |
Shipbuilding | 2 |
Technology | 20 |