發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : An experimental investigation on the surface characteristics of tungsten carbide for the fine-finish die-sinking and scanning micro-EDM