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hydrographic service; hydrographical service | |||
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hydrographic office; hydrographical office |
水文局 : 21 phrases in 8 subjects |
Earth sciences | 11 |
General | 2 |
Geology | 1 |
Name of organization | 1 |
Nautical | 2 |
Oil / petroleum | 1 |
Technology | 2 |
United Nations | 1 |