With starch and PVA as basic raw materials, starch-plastics film (SP film) was produced by casting method.
以淀粉和PVA(聚乙烯醇)为主要原料，用流延法制造淀粉塑料膜(简称SP膜)。
According to the accuracy requirements of the analysis with the model dimension, we use the precision casting method to make the models.
应分析精度对模型尺寸的要求，采用了精密浇铸的方法制作模型。
In this paper, technical principle on preparation of metal mould by casting method of electroslag smelting and application prospect is described.
本文简述了用电渣熔炼浇铸法制备金属模具的工艺原理和该方法的应用前景。
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