Centering on the research and development of flexible and rigid PVC coextrusion window profile, this research project aims at the study of post coextrusion mold process.
本课题围绕研制开发软硬pvc共挤窗型材，对后共挤成型工艺进行了研究。
Centering on the research and development of flexible and rigid PVC coextrusion window profile, this research project aims at the study of post coextrusion mold process.
本课题围绕研制开发软硬pvc共挤窗型材，对后共挤成型工艺进行了研究。
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