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 _    _    _    _     ____     __   __   _    _   
| \  / || | || | ||  |  _ \\   \ \\/ // | || | || 
|  \/  || | || | ||  | |_| ||   \ ` //  | || | || 
| .  . || | \\_/ ||  | .  //     | ||   | \\_/ || 
|_|\/|_||  \____//   |_|\_\\     |_||    \____//  
`-`  `-`    `---`    `-` --`     `-`'     `---`

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發送短信 : Preparation of copper based shape l11el11oryalloy via l11echanical alloying technique