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There are a lot of tellurium minerals in them, such as petzite, calaverite, hessite, altaite, tellurbismuth, rucklidgeite and sylvan.The grade of some section of ore body is up to industrial grade.

床中含有大量的,铅铋和自然,部分段的品位达到的工业品位要求。

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brush up, brushability, brushback, brush-box, brush-breaker, brush-burn, brush-comb, brushed, brusher, brushes,

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3G, 401(K), a,

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