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不 稳定流: 92 phrases in 24 subjects |
Agriculture | 1 |
Aviation | 4 |
Bridge construction | 3 |
Desert science | 1 |
Drilling | 1 |
Earth sciences | 6 |
Electric machinery | 1 |
Electronics | 12 |
Engineering geology | 2 |
Finances | 1 |
General | 1 |
Hydroelectric power stations | 5 |
Metallurgy | 2 |
Mining | 1 |
Oil / petroleum | 4 |
Oil processing plants | 1 |
Plastics | 2 |
Polymers | 1 |
Refrigeration | 1 |
Securities | 1 |
Technology | 34 |
Telecommunications | 2 |
Water resources | 3 |
Wind Energy | 2 |