發送短信

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

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發送短信 : LONG-TERM DEFLECTION OF PRESTRESSED CONCRETE BEAMS