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

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發送短信 : Measurements of an elliptic pipe jet