了解注塑机，模具和挤压机方面的知识。
Learning and knowing the knowledge about injection molder extrusion press and die.
本公司拥有先进的注塑机和塑料模具制造设备。
The Company has advanced injection molding machine and plastic mold manufacturing equipment.
本文介绍了利用国产注塑机配备一出四模具生产PET瓶坯的生产工艺，模具冷却温度及注射温度、压力的选择。
The paper introduces one to four moulds production of PET bottle blanks using domestic plastic injector. Selections of cooling temperature of mould and injector temperature and pressure are included.
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