短语词组短语spray inclination angle 喷雾油束倾斜角Spray cone angle [动力]喷雾锥角Spray -Angle-B 角度nominal spray angle [机]公称喷雾角spray angle of incidence 着壁入射角度Included spray angle 喷束夹角nozzle spray angle 喷嘴喷射角spray -cone angle 喷射锥角 返回 spray angle