發送短信 : Deadlock detection and resolution in automated material handling system

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