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

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發送短信 : Air quality inside an underground road tunnel system