發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Effect of heat treatment on the microstructure and mechanical properties of maraging steel by selective laser melting