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practical skill | |||
operative technology | |||
practical technique |
实用技术: 16 phrases in 11 subjects |
Aviation | 3 |
Drilling | 2 |
Earth sciences | 2 |
Electronics | 1 |
Environment | 1 |
General | 1 |
Geophysics | 1 |
International trade | 1 |
Metallurgy | 1 |
Technology | 2 |
Water resources | 1 |