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.

youdao

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.

youdao