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depth sounder | |||
depth gauge; fathometer | |||
altitude gage; altitude gauge | |||
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fathometer |
水深 计 : 46 phrases in 10 subjects |
Earth sciences | 2 |
Ecology | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 2 |
Geophysics | 1 |
Hydraulics | 1 |
Hydroelectric power stations | 1 |
Navigation | 3 |
Oil / petroleum | 3 |
Technology | 30 |