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介紹了PVC-U雨水管生產(chǎn)中的原材料選擇、配方設(shè)計及加工工藝。
格式:pdf
大?。?span class="single-tag-height">1.2MB
頁數(shù): 3頁
? 1994-2007 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net ? 1994-2007 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net ? 1994-2007 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net