压延成型是将熔融塑化的热塑性塑料通过两个以上的平行异向旋转辊筒间隙，使熔体受到辊筒挤压延展、拉伸而成为具有一定规格尺寸和符合质量要求的连续片状制品，最后经自然冷却成型的方法。 压延成型工艺常用于塑料薄膜或片材的生产。
当前制备控释膜的方法主要包括吹塑成型法，压延成型法和流延成型法。
The traditional methods of preparation of controlled release membrane include boasting plastics molding, pressing spread molding and flowing spread molding.
橡胶磁铁产品主要是由磁粉和天然橡胶粉经挤出成型、压延成型、注射成型等工艺而制成的具有柔软性、弹性及可扭曲性的磁体。
Rubber magnet products mainly by magnetic and natural rubber powder by extrusion, calendering, injection molding processes and are made with soft and flexible and may be distorting the magnet.
设置，操作，并看管用于混炼，压延，挤出，成型和硫化橡胶材料或橡胶制品的机械。
Set up, operate and tend machinery used for mixing, calendering, extruding, moulding and curing rubber materials or rubber products.
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