發送短信

數:

提供者:

CAPTCHA:

             ___      ______   _    _   __    __  
  ____      / _ \\   /_____// | || | || \ \\ / // 
 |    \\   / //\ \\  `____ `  | || | ||  \ \/ //  
 | [] ||  |  ___  || /___//   | \\_/ ||   \  //   
 |  __//  |_||  |_|| `__ `     \____//     \//    
 |_|`-`   `-`   `-`  /_//       `---`       `     
 `-`                 `-`

Please enter what you see:

發送短信 : The effects of aerodynamic interference on the aerodynamic characteristics of a twin-box girder