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__    __     ___      ____       ___     _    _   
\ \\ / //   / _ \\   |  _ \\    / _ \\  | || | || 
 \ \/ //   / //\ \\  | |_| ||  / //\ \\ | || | || 
  \  //   |  ___  || | .  //  |  ___  ||| \\_/ || 
   \//    |_||  |_|| |_|\_\\  |_||  |_|| \____//  
    `     `-`   `-`  `-` --`  `-`   `-`   `---`

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Text this: Site Measurement and Study of Vertical Freezing Wall Temperatures of a Large-Diameter Shield Tunnel