發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Bi-level surface modification of hard disk media by carbon using filtered cathodic vacuum arc: Reduced overcoat thickness without reduced corrosion performance