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phosphate rock |
磷岩 : 93 phrases in 12 subjects |
Agriculture | 4 |
Architecture | 1 |
Chemistry | 3 |
Desert science | 15 |
Earth sciences | 2 |
Engineering geology | 2 |
General | 6 |
Geology | 2 |
Metallurgy | 3 |
Name of organization | 1 |
Oil / petroleum | 16 |
Technology | 38 |