总体积 : 55 phrases in 17 subjects |
Chemistry | 2 |
Drilling | 2 |
Electronics | 1 |
Engineering geology | 1 |
Geology | 1 |
Geophysics | 12 |
International trade | 1 |
Metallurgy | 1 |
Mining | 5 |
Nautical | 1 |
Oil / petroleum | 6 |
Plastic surgery | 1 |
Plastics | 1 |
Polymers | 1 |
Refrigeration | 1 |
Surgery | 1 |
Technology | 17 |