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鈮錳礦...
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mangancolumbite的音標(biāo)：mangancolumbite的英式發(fā)音音標(biāo)為：[m??ɡ?n'k?l?mba?t]mangancolumbite的美式發(fā)音音標(biāo)為：[m??ɡ?n'k?l?mba?t]...
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n.鈳鐵礦...
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columbite的音標(biāo)：columbite的英式發(fā)音音標(biāo)為：[k?'l?mba?t]columbite的美式發(fā)音音標(biāo)為：[k?'l?mba?t]...
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There is high tantalite grade for certain large scale granite - pegmatite pattern tantalite - columbite mine in our country.我國某大型花崗偉晶巖型鈮鉭礦含鉭品位高居我國鉭鈮礦山之首.The measurement indicates that the optimized performance can be ach...