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map sheet |
地图图表 : 44 phrases in 13 subjects |
Aviation | 4 |
Business | 1 |
Cartography | 2 |
Construction | 3 |
Earth sciences | 1 |
Engineering geology | 1 |
General | 4 |
Geology | 2 |
Information technology | 1 |
Oil / petroleum | 2 |
Space | 4 |
Stationery | 1 |
Technology | 18 |