塑料面板注塑工藝優(yōu)化及模具設(shè)計（開題報告）.doc
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塑料面板注塑工藝優(yōu)化及模具設(shè)計（開題報告）,附件b：畢業(yè)設(shè)計（論文）開題報告1、課題的目的及意義（含國內(nèi)外的研究現(xiàn)狀分析或設(shè)計方案比較、選型分析等）塑料是20世紀才發(fā)展起來的新材料，也是一門新興工業(yè)。目前，世界上塑料的體積產(chǎn)量已經(jīng)大大超過了鋼鐵，成為當前社會使用的一大類材料。只有迅速的發(fā)展塑料加工業(yè)，才可能把各種性能優(yōu)良的高分子材料變成功能各異的塑件產(chǎn)品，在國民...
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