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registered depth | |||
recorded depth |
记录深度: 55 phrases in 14 subjects |
Air defense | 1 |
Earth sciences | 1 |
Electronics | 2 |
Engineering geology | 1 |
General | 2 |
Geophysics | 7 |
Mining | 2 |
Nautical | 1 |
Navigation | 3 |
Oil / petroleum | 5 |
Refrigeration | 1 |
Remote sensing | 1 |
Shipbuilding | 8 |
Technology | 20 |