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

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發送短信 : Concrete columns subjected to biaxial loadings