介绍一种用于制造塑料制品生产用锌合金模具的石膏型精密铸造工艺。
Plaster mould precise casting process was used to manufacture zinc-base alloy mould for plastic wares production.
另外还用此类后处理件进行石膏型和陶瓷型精密铸造型腔的开发，均取得了较大进展。
In addition, these kind of post-treatment patterns have been used to develop the plaster mould and ceramic mould and both have made great progress.
另外还用此类后处理件进行石膏型和陶瓷型精密铸造型腔的开发，均取得了较大进展。
In addition, these kind of post-treatment patterns have been used to develop the plaster mould and ceramic mould and both have made great progress.
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