"smaller " CNS Standards List| Pylon Course | Method Test | Accuracy Inspection | Methods Test | Textiles − | Method Test | Casing | Method Test | |
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CNS 490
2021 Edition Method of test for resistance to degradation of coarse aggregate (smaller then 37.5 mm) by abrasion and impact in the Los Angeles machine 粗粒料（37.5mm以下）洛杉磯磨損試驗法 |
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