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| depth registration | |||
| depth record | |||
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深度 记 录 : 56 phrases in 15 subjects |
| Air defense | 1 |
| Drilling | 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 |
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