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Patternmaker's shrink (thermal contraction)

 Shrinkageaftersolidificationcanbedealtwithbyusinganoversizedpatterndesignedfortherelevantalloy.Patternmakersusespecial"contractionrulers"(alsocalled"shrinkrules&am…
类别:News 作者: 日期:2012-03-08 17.52.59 点击:0 评论:0