發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Design and development of a tribometer for the measurement of friction