Objective:To study the efficacious of wearing the hard resin mold to protect injury ectopic pulp dentis.
目的:研究配戴硬树脂模对外伤年轻恒牙护髓治疗的有效性。
Tilted Pouring of No-bake Resin Sand Mould;
自硬树脂砂型模具的倾转浇注工艺
This article introduced brass tacks of cast steel production line technical innovation based on no-bake resin bonded sand removable flask molding to adoptd equipment made in one′e country,and expounded technical sticking point and gist of skill control.
介绍了我厂采用国产设备 ,进行铸钢自硬树脂砂脱箱造型生产技术改造的基本情况 ,阐述了生产线的技术关键和工艺控制要点。