發送短信 : Precipitation in the Nugget Zone of AA6061-T6 by Friction Stir Welding

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