Magnetite muaj zog hlau nplaum, thiab feem ntau suav nrog ib qho magnetite, vanadium-titanium magnetite, sib xyaw ore muaj magnetite thiab hlau oxide, thiab ore muaj magnetite polymetallic symbiosis.Magnetite muab faib ua ntxhib-grained, nruab nrab-nplua-grained, thiab micro-fine- grained raws li ...
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