發送短信 : Aerodynamic measurements of an airfoil with a spoiler

 ______     ______     _____   _    _    __   _   
|      \\  /_   _//   / ___// | || | || | || | || 
|  --  //   -| ||-    \___ \\ | || | || | '--' || 
|  --  \\   _| ||_    /    // | \\_/ || | .--. || 
|______//  /_____//  /____//   \____//  |_|| |_|| 
`------`   `-----`  `-----`     `---`   `-`  `-`