標題: ASTM C 535-2003用洛杉磯磨耗試驗機測定大規格粗集料抗磨性... [打印本頁] 作者: 兌水 時間: 2009-9-17 19:09 標題: ASTM C 535-2003用洛杉磯磨耗試驗機測定大規格粗集料抗磨性... C535-03e1 Standard Test Method for Resistance to Degradation of Large-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine