冷 锻 : 46 phrases in 13 subjects |
Agriculture | 1 |
Architecture | 1 |
Automobiles | 4 |
Aviation | 3 |
Compressors | 1 |
General | 1 |
Hydroelectric power stations | 1 |
Metallurgy | 14 |
Oil / petroleum | 2 |
Shipbuilding | 5 |
Steel production | 1 |
Technology | 11 |
Wind Energy | 1 |