副孔 meaning in English

accessory pores

Sixth , a technology validation prototype system of the digital product assembly and key matching elements is developed . seventh , the secondary development of solidedge is put up and the assembly process and key matching elements . of the typical hole shaft assembly are researched . so the technology principle and implement method are validated
最后，开发了一种数字化产品装配及关键要素匹配的技术验证原型系统，在该系统中，通过对solidedge进行二次开发，以典型装配副孔轴装配为主要应用对象，分析了装配过程及关键匹配要素，对所研究的技术原理及实现方法进行了验证。