对熔模铸造砂眼缺陷产生因素进行了分析。
Carried on the analysis to the lost wax casting craft sand hole defect creation factor.
在选择仿大理石线条时,还应对线条表面是否平整,棱角有无缺陷,有无裂纹、划痕,有无砂眼,色调是否纯正等方面进行筛选。
In the choice of imitation marble lines, but also deal with the line surface is smooth, edges have no defect, no cracks, scratches, or trachoma, whether pure color screen areas.
铸铁件含碳量高,结构疏松、表面有大量砂眼等缺陷,增加了电镀的难度。
High carbon content of iron castings and defects of incompact structure and a great deal of sand holes on the surface of iron castings make it difficult for electroplating.
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