發送短信 : A virtual dynamic model of laser material processing

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