摘要
从饼干生产过程出发 ,阐述饼干制造业的投入产出规律 ,全面介绍饼干生产理论回收率的计算原理及方法 .并给出了计算实例 .
Based on production process of biscuits, the paper expouns the law of biscuit's input and output. It provides a general introduction about the calculate principle and method of theory recovery with biscuit production.