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| 磷酸盐岩石 (Ca3(PO4)2) | |||
| 沉积磷岩; 磷沉积岩; 磷灰岩; 磷块岩; 磷酸盐岩; 磷岩 | |||
| 磷灰石 | |||
| 磷盐岩; 磷酸岩; 磷钙土 | |||
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| 硝酸盐岩未经煅烧 | |||
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| 硝酸盐岩经煅烧 | |||
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phosphate rock : 26 phrases in 7 subjects |
| Agriculture | 11 |
| Animal husbandry | 1 |
| Desert science | 3 |
| Earth sciences | 2 |
| Geology | 1 |
| Metallurgy | 2 |
| Technology | 6 |
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