發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : EFFECT OF PARTICLE SIZE DAN ANGLE OF IMPACT IN SLURRY EROSION ON MEDIUM CARBON STEEL USING LIQUID JET IMPINGEMENT METHOD