短語(yǔ)詞組短語(yǔ)friction axis drag 摩擦阻力skin friction frictional drag 壁剪應(yīng)力friction n drag 摩擦阻力annular friction drag 環(huán)空摩耗friction drag experiment 摩阻試騐hole friction drag 孔道摩阻friction drag reduction 摩擦減阻flowage friction drag 流動(dòng)摩阻壓力;活動(dòng)摩阻壓力;流淌摩阻壓力surface friction drag 摩擦阻力;[航]表麪摩擦阻力 返回 friction drag