塑料异型材的加工是通过挤出成型的。
挤出成型是塑料成型加工中最重要的方法之一。
Extrusion is one of the most important plastic molding methods.
这种产品目前都是PS与PC进行三层复合挤出成型。
This product is currently PS and PC for three layers of composite extrusion.
但是他们在同一挤出机上进行加工成型，所表现出来的行为不同。
Yet, they behave very differently in extrusion through the same machine.
但是他们在同一挤出机上进行加工成型，所表现出来的行为不同。
Yet, they behave very differently in extrusion through the same machine.
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