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    鎸囨(bi膩o)

    鍚嶇ū(ch膿ng)

    鎸囨(bi膩o)

    娲绘€ч惖

    鈮�88%

    瀹归噸

    2.2g/cm3

    鎶楀寮�(qi谩ng)搴�

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    姣旇〃闈㈢⿳

    85g/cm3

    鎶楄厫鎸囨暩(sh霉)

    鈮�3.4

    SiO2+AL2O3

    鈮�5.5

    S

    鈮�0.03%

    CU

    鈮�0.002%

    Sn

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    Bi

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