REd and burgundy aluminium oxide in 220 mesh,
问题描述:
REd and burgundy aluminium oxide in 220 mesh,
刚玉有红色的吗?或者不是?
答
是是红刚玉?那是红宝石吧?作为磨料有红色的?
REd and burgundy aluminium oxide in 220 mesh,
刚玉有红色的吗?或者不是?
是是红刚玉?那是红宝石吧?作为磨料有红色的?