發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Effects of dielectric flow rate in electrical discharge machining of aerospace materials