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sand | |||
placer deposit | |||
alluvial; river bar placer | |||
placer | |||
ore of sedimentation |
砂矿 : 256 phrases in 22 subjects |
Agriculture | 3 |
Architecture | 4 |
Business | 1 |
Chemistry | 1 |
Commerce | 1 |
Construction | 2 |
Desert science | 12 |
Earth sciences | 5 |
Ecology | 1 |
Economy | 10 |
Electronics | 1 |
Engineering geology | 9 |
Fishery fishing industry | 1 |
General | 18 |
Geology | 3 |
International trade | 6 |
Metallurgy | 15 |
Nautical | 3 |
Oil / petroleum | 5 |
Shipbuilding | 12 |
Technology | 142 |
Textile industry | 1 |