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矿渣在105℃干燥后进行磨细、过筛,收集0.1～0.3毫米碎片。将碎片样品放在玻璃片上,用加拿大香油很好地扩散开,再放上一块玻璃片。将试片置于偏光
After the slag is dried at 105°C, the slag is ground and sieved to collect 0.1-0.3mm pieces. A fragment sample was placed on a glass slide, spread well with Canadian scented oil, and placed on a piece of glass. Place the test piece in polarized light