發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Study on surface hydrogenated Ti6Al4V alloy for orthopedic implants