毕业设计说明书目录摘要····································································ⅢABSTRACT·····························································Ⅳ1绪论1
1本设计的研究背景和意义················································11
1本设计的研究背景···················································11
2本设计的研究意义···················································11
2换热器在生产中的作用和地位············································11
3换热器的分类··························································21
4换热器的发展及国内外研究现状··········································51
5换热器的发展动向·················································61
6三维造型技术的应用··················································61
7本设计的研究内容及方法·················································81
1本设计的研究内容·····················································81
2本设计的研