標(biāo)題: ASTM C 131-2003 用洛杉機磨耗試驗機測定小規(guī)格粗集料的抗... [打印本頁] 作者: 兌水 時間: 2009-9-16 07:26 標(biāo)題: ASTM C 131-2003 用洛杉機磨耗試驗機測定小規(guī)格粗集料的抗... C131-03 Standard Test Method for Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine