Plate pattern die is a common implement in rubber extruding technology and it's designing directly influences on the guality of finished extrudings and semi_finished extrudings.

板式口型是橡胶挤出工艺中常用的工装，设计的优劣直接影响到挤出产品或半成品质量。

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In order to overcome the shortcomings of plate-and-frame which is made of cast iron or rubber, wood, common plastics, the authors have developed a new kind of material for making plate-and-frame.

为了克服铸铁、橡胶、木质和普通塑料板框的缺点，对新材质板框进行了研制。

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