發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : DLC and UHMWPE as hard/soft composite film on Si for improved tribological performance