發送短信

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  ______     ___      _  _      ___      _____   
 /_   _//   / _ \\   | \| ||   / _ \\   |__  //  
   | ||    | / \ ||  |  ' ||  / //\ \\    / //   
  _| ||    | \_/ ||  | .  || |  ___  ||  / //__  
 /__//      \___//   |_|\_|| |_||  |_|| /_____|| 
 `--`       `---`    `-` -`  `-`   `-`  `-----`

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發送短信 : INELASTIC STABILITY OF REINFORCED CONCRETE COLUMNS.