精选优质文档-倾情为你奉上Abstract: Based on the comprehensive analysis on the plastic parts structure service requirement, mounding quality and mould menu factoring cost. A corresponding injection mould of internal side core pulling was designed. By adopting the multi-direction and multi-combination core-pulling. A corresponding injection mould of internal side core pulling was designed, the working process of the mould was introduced第一部分马克思主义哲学1、哲学、世界观、方法论哲学，是系统化、理论化的世界观。方法论是人们认识世
