發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Tribological behavior of Ti-5Al-2.5Sn, Ti-10v-2Fe-3Al and Ti-38al carburized via current heating technique with graphite powders