填 充物 : 64 phrases in 15 subjects |
Aviation | 2 |
Cables and cable production | 2 |
Chemistry | 5 |
Construction | 1 |
Ecology | 1 |
Electronics | 3 |
General | 12 |
Geology | 8 |
Medical | 1 |
Metallurgy | 1 |
Mining | 3 |
Oil / petroleum | 3 |
Oil processing plants | 5 |
Silicate industry | 1 |
Technology | 16 |