發送短信 : Performance of Pile Groups Subjected to Surface Explosion

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