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扩 孔 : 203 phrases in 17 subjects |
Astronautics | 1 |
Automobiles | 1 |
Drilling | 9 |
Electronics | 8 |
General | 69 |
Geology | 1 |
Measuring instruments | 2 |
Mechanic engineering | 2 |
Medical | 6 |
Military | 2 |
Mining | 3 |
Nautical | 1 |
Oil / petroleum | 1 |
Oil and gas technology | 1 |
Oil processing plants | 1 |
Silicate industry | 1 |
Technology | 94 |