短語詞組短語sliding g friction torque 滑動(dòng)摩擦力矩sliding g friction 滑動(dòng)摩擦;滑動(dòng)摩擦力sliding -friction gravity conveyer 滑動(dòng)摩擦重力式輸送機(jī)sliding metallic friction 金屬滑動(dòng)摩擦static sliding friction 靜滑動(dòng)摩擦pre -sliding friction 預(yù)滑動(dòng)摩擦sliding friction and wear 滑動(dòng)摩擦磨損 返回 sliding friction