發送短信 : Energy gradient carbon embedding in the magnetic media for improved tribological performance

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