發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Additive manufacturing of a single crystal nickel-based superalloy using selective electron beam melting