作者简介：梁基照,男,博士,教授.主要从事聚合物加工方面的教学和科研工作.
作者单位：梁基照（华南理工大学,工业装备与控制工程学院,广州,510640）
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收稿日期：2002年11月5日
出版日期：2003年6月1日
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