發送短信 : Welded interior box-column to i-beam connections

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