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geological survey | |||
geological mapping | |||
geologic survey; geological surveying; geologic surveying and mapping; geological surveying and mapping |
地质 测绘 : 31 phrases in 7 subjects |
Bridge construction | 2 |
Desert science | 1 |
Engineering geology | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
Hydroelectric power stations | 1 |
Rail transport | 2 |
Technology | 22 |