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

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發送短信 : RAIL CRACK MONITORING USING ACOUSTIC EMISSION TECHNIQUE