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  _____     ______    ____     _    _     ____    
 |__  //   /_   _//  |  _ \\  | || | ||  |  _ \\  
   / //     -| ||-   | |_| || | || | ||  | |_| || 
  / //__    _| ||_   | .  //  | \\_/ ||  | .  //  
 /_____||  /_____//  |_|\_\\   \____//   |_|\_\\  
 `-----`   `-----`   `-` --`    `---`    `-` --`

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發送短信 : Heat transfer in fluidized bed system