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            _____     ______     ___    __    __  
  ____     |  ___||  /_   _//   / _ \\  \ \\ / // 
 |    \\   | ||__    `-| |,-   | / \ ||  \ \/ //  
 | [] ||   | ||__      | ||    | \_/ ||   \  //   
 |  __//   |_____||    |_||     \___//     \//    
 |_|`-`    `-----`     `-`'     `---`       `     
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發送短信 : Composite pipes subjected to bending loads