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烧结孔隙率
1、porosity───n.有孔性，多孔性
2、sintered stone───烧结石材
1、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。
2、Therefore, sawdust, as a pore-forming agent, can prepare sintered product with light weight, high strength and high porosity due to calorific value and loss of sawdust.───因此，利用锯末具有高发热量与烧失量的特点，将锯末作为造孔剂制备轻质高强高孔洞率的烧结制品。
3、models are built for connected pores of the sintered porous metal. The mechanical compaction force is controlled to obtain the porous metal with the certain porosity.───建立了烧结金属多孔材料连通孔隙形成的模型，通过控制机械压制压力获得了一定孔隙率的金属多孔材料。