兑水 发表于 2009-9-17 19:09:51

ASTM C 535-2003用洛杉矶磨耗试验机测定大规格粗集料抗磨性...

C535-03e1 Standard Test Method for Resistance to Degradation of Large-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine
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