發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Effect of inclination angle on free convection thermal performance of louver finned heat exchanger