求翻译：【文章摘要】电动机外壳铸造是一个需要很高技术含量的工艺，它所采用的方法不是普通的沙箱造型，而是采用了较为先进的技术：消失模铸造。相比其它造型而言，消失模铸造包含了更为方便而又高效的成形过程，且生产出来的产品质量更高。是什么意思？

[Abstract] motor housing casting is a need for high-tech process, it is not a common method used sandbox modeling, instead of using a more advanced technology: lost foam casting. Compared with other shapes, the EPC contains a more convenient and efficient forming process, and produced higher quality

Abstract: electrical machinery [shell Foundry is one that requires a very high technical content of craft, it is not the ordinary methods used by sandbox styling, instead of using a more advanced technology: Lost foam casting. When compared to other shapes, Lost foam casting contains more convenient

(Article abstract)The electric motor outer covering casting is a need very high-tech content craft, it uses the method is not the ordinary sandbox modelling, but has used a more advanced technology: Evanishment mold casting.Compared other modelling to say, vanishes the mold casting to contain more c

"Article summary" electromotor shell casting is a process that takes a high technology content, its approach is not an ordinary sandbox model, instead of using more advanced technology: the EPC. Compared to other modeling, EPC contains forming process more convenient and efficient, and manufactured

【Article summary 】It is a craft of very high-tech content that the outer cover of motor is cast, the method that it adopts is not that an ordinary sand case is moulded, but adopt the comparatively advanced technology: It is cast that the mould disappears. But the speech of comparing other model, the