Zvinoreva zvigadzirwa zvewhite corundum zvine particle sizes kubva ku0-1mm, 1-3mm, 3-5mm, 5-8mm, 100 # - 0, 200 # - 0, uye 320 # - 0. Iyo yemhando yepamusoro chena corundum yakawanda. inogadzirwa neiyo smelting workshop inotakurwa kuenda kuchikamu chekugadzira jecha workshop, yakapwanyika ne coar...
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