The development and application of v - type dental abrasive testing machine 型牙科磨耗试验机的研制及应用
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Abrasion testing machine 磨耗试验机
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Standard test method for resistance to degradation of large - size coarse aggregate by abrasion and impact in the los angeles machine 用洛杉矶磨耗试验机测定大规格粗集料抗磨性和抗冲击性的标准试验方法