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Polymetal ore containing bismuth glance, sphalerite and magnetite is rarely seen and typical.
辉铋矿与闪锌矿、磁铁矿共生的多金属矿石较少见,具有一定的典型性。
youdao
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Polymetal ore containing bismuth glance, sphalerite and magnetite is rarely seen and typical.
辉铋矿与闪锌矿、磁铁矿共生的多金属矿石较少见,具有一定的典型性。
youdao