轴轴系的设计························································· 30 1轴系设计·········································································· 30 2轴的校核·········································································· 32 ..页眉.. 页脚.. 七安装·········································································································· 35 (一) 安装··············································································· 35 结论·················································································································· 37 参考文献·········································································································· 38 致谢·················································································································· 39