底盖: 47 phrases in 14 subjects |
Automobiles | 1 |
Compressors | 1 |
Drilling | 4 |
Earth sciences | 1 |
Electric machinery | 1 |
Electronics | 2 |
Engineering geology | 1 |
Food industry | 1 |
General | 2 |
Metallurgy | 2 |
Oil / petroleum | 5 |
Packaging | 2 |
Plastics | 1 |
Technology | 23 |