短語(yǔ)詞組短語(yǔ)rolling sphere radius 滾球半徑rolling radius difference 滾動(dòng)圓半徑差effective rolling radius 有效滾動(dòng)半徑nominal rolling radius 名義滾動(dòng)半徑dynamic rolling radius 胎的動(dòng)半徑Rolling radius of driving wheel 驅(qū)動(dòng)輪滾動(dòng)半徑effective particle velocity rolling radius 有效滾動(dòng)半徑radius of rolling circle 滾圓半徑 返回 rolling radius