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 _    _    _    _                ___      _  _   
| || | || | || | ||   ____      / _ \\   | \| || 
| || | || | || | ||  |    \\   | / \ ||  |  ' || 
| \\_/ || | \\_/ ||  | [] ||   | \_/ ||  | .  || 
 \____//   \____//   |  __//    \___//   |_|\_|| 
  `---`     `---`    |_|`-`     `---`    `-` -`  
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發送短信 : Cyclic Performance of Precast Concrete Columns Using Steel Box Connection