焊药: 113 phrases in 18 subjects |
Architecture | 2 |
Automobiles | 1 |
Chemistry | 1 |
Compressors | 2 |
Construction | 2 |
Drilling | 4 |
Electric machinery | 1 |
General | 3 |
Metallurgy | 51 |
Nautical | 1 |
Nuclear and fusion power | 1 |
Oil / petroleum | 5 |
Rail transport | 1 |
Shipbuilding | 1 |
Space | 1 |
Technology | 32 |
Welding | 3 |
Wind Energy | 1 |