拍摄于1954年,赫本在拍摄《龙凤配》时补妆。
拍摄于1954年,赫本在拍摄《龙凤配》时补妆。
以一级矾土熟料和碳化硅为主要原料,配以适量的碳质材料、复合添加剂等,研制出适用于中小型高炉出铁沟的快速修补用喷补料。
Using fired bauxite and silicon carbide as main material, adding suitable amount of carbon based material, binder and other additive, the gunning mix for trough of blast furnace was developed.
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