表面摩擦阻力skin: n. 1.(人体的)皮,皮肤。 2.〔口语〕皮肉;肉体, ...frictional resistance: 摩擦阻力。 skin frictional resistance: 表面摩擦阻力skin friction, frictional drag: 壁剪应力coefficient of frictional resistance: 摩阻系数下载手机词典可随时随地查词查翻译