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vertical depth | |||
true vertical depth |
垂深 : 55 phrases in 12 subjects |
Agriculture | 1 |
Communications | 1 |
Drilling | 9 |
Earth sciences | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
Geophysics | 5 |
Navigation | 6 |
Oil / petroleum | 14 |
Scuba diving | 2 |
Shipbuilding | 2 |
Technology | 11 |
Textile industry | 1 |