1·Material management deals with all material that is wanted by production, for examples work blanks, tools, semi-manufactured goods, finished product and waster.
物料管理就是对生产中所需要的各种物料，如毛坯、工具、半成品、废品和成品等进行管理。
2·The melt front breakthrough of the core is the main cause of forming waster in the co-injection molding.
在塑料共注成型中，芯层熔体前沿突破是导致废品的主要原因，其成型机理至今尚未弄清。
3·To analyze corresponding relation between waster appearing in the course of producing of tapping screw and quality of steel.
分析自攻螺钉生产过程出现的废品与钢质量的对应关系。
4·The article gives the quantitative analysis to previous problem and advances the calculating method of the false waster area and also gives an applicable example.
本文就此作了定量分析，提出了假废品区的计算方法并给出了应用实例。
5·Special designed of control switch and strip type gun with increase seal device, it could guarantee not seep or leak adhesive, strict control result in waster on account of leak adhesive.
专业设计的控制开关和点状枪体增加密封装置，保证不渗胶或漏胶，严格控制由于滴胶所造成的废品。