Full-mold casting is a technique similar to investment casting, but instead of wax as the expendable material, polystyrene foam is used as the pattern. 实型铸造是与熔模铸造类似的技术,但它用做型模的消耗材料是聚苯乙烯泡沫而不是石蜡。
Discussion on The Techniques of Medical Expendable Material's Management 医疗消耗性材料管理技术方法的探讨
Calculation and Analysis of Expendable Quantum of Welding Material 焊接材料消耗定额的计算和分析