ASTM C131 C131M-20 Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact i
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- 标准类型：国外其他
- 标准语言：英文版
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- 更新时间：2021-12-21
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ASTM C131 C131M-20 Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine