短语词组短语abrasion n value 磨耗量aggregate abrasion value 集料磨损值ag GREgate abrasion value 石料的耐磨值abrasion value of tooth surfaces 齿面磨损量Normal abrasion value of teeth 轮齿法面磨损量value abrasion of FDI FDI 价值磨损 返回 abrasion value