基本解释[材料科学]抗磨性指数耐磨指数英汉例句双语例句Precisely cast ductile iron gear has advantages of low noise, high abrasion resistance index and long service life.精密铸造球铁齿轮，噪音低，耐磨度高，使用寿命长。abrasion resistance index更多例句词组短语短语abrasion n resistance index 耐磨指数abrasion resistance index更多词组专业释义材料科学抗磨性指数耐磨指数