成 绩 大连民族学院 工程原理课程设计说明书 题 目: 果汁冷却器的设计 设 计 人: 李 系 别: 生物工程 班 级: 084 指导教师: 刘俏老师 设计日期 2010 .11.12 ~ 12.4 目 录 设计任务书· ······························································1 一、方案简介 ·····························································2 二、方案设计· ····························································3 1.确定设计方案· ···························································3 2.确定物性数据·