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石灰石粉 : 138 phrases in 15 subjects |
Agriculture | 2 |
Architecture | 6 |
Drilling | 2 |
Earth sciences | 2 |
Ecology | 1 |
Engineering geology | 4 |
General | 1 |
Geology | 1 |
Hydroelectric power stations | 3 |
Metallurgy | 35 |
Oil / petroleum | 1 |
Rail transport | 2 |
Soil science | 1 |
Technology | 75 |
Water resources | 2 |