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

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