發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Efek proses Carburizing media arang tempurung kelapa-Barium Karbonat terhadap Fatique Failure baja karbon AISI 1020