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

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發送短信 : Multi-crack dynamic interaction effect on oil and gas pipeline weld joints based on VCCT