中档镁砂粉的添加使浇注料高温处理后的线变化率增大和气孔率增加。
Adding middle grade sintered magnesia powder can enlarge the line ratio and porosity after high temperature treatment.
中档镁砂粉的添加使浇注料高温处理后的线变化率增大和气孔率增加。
Adding middle grade sintered magnesia powder can enlarge the line ratio and porosity after high temperature treatment.
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