基本解释n.摩擦力同根派生 英汉例句The preparation,properties and application in confriction of the two-layer composites with metal as the substrate and polyamide as the liner are intoduced. 介绍以钢为衬底,聚酰胺为衬里的二层复合材料的制备、性能及其在摩擦方面的应用。专业释义能源科学技术摩擦