| 单词 |
phosphate rock |
| 释义 |
phosphate rock
phosphate rockn. Any of various rocks composed largely of phosphate minerals, especially apatite, used as fertilizer and as a source of phosphorous compounds.
phosphate rock
phosphate rock[′fä‚sfāt ′räk] (materials) A rock that is naturally high enough in phosphorus to be used directly in fertilizer manufacturing. The beneficiated concentrate of a phosphate deposit. MedicalSeephosphateAcronymsSeepropyl |
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