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本科毕业设计说明书（论文）第I页共I页目录1引言·······································································································11.1气动行业的发展现状··············································································11.2气动行业的发展趋势··············································································21.3我国气动行业面临的挑战和机遇······························································325WB右曲轴箱体的零件分析······································································42.15WB右曲轴箱体的特点和和作用·····························································43毛坯的选择······························································································53.1毛坯材料的种类·····················································································53.2确定毛坯时应考虑的因素········································································53.3确定毛坯时的几项工艺措施·····································································63.4确定毛坯的制造形式································································
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