短语词组短语shear bubbly flow 剪切泡状流shear turbulent flow 剪力紊流shear force flow 剪力流shear basic flow 切变基流shear r flow 剪切流shear -flow turbulence 剪切流紊动zonal shear basic flow 纬向切变基流horizontal shear -flow 水平剪切流动 返回 shear flow