發送短信 : Collection and computerization of machinability data for NC Drilling

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