摘要
从理论和实践上，分析了假废品区和假废品率，提出了防止假废品产生的工艺措施。
The range and proportion of false waste products in machineprocessing are analysed theoretically and practically.The technological measures for preventing production of them are presented.
关键词
假废品
统计
工艺
机械加工
false waste product
statistical analysis
technolgical measure
