發送短信 : Use of holographic phase shifting in assessing unbonds in GRP plates

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