發送短信 : Effects of downstream system on self-excited oscillations in collapsible tubes

  ______     ___      _  _     ______    ______  
 /_   _//   / _ \\   | \| ||  /_   _//  /_   _// 
 `-| |,-   | / \ ||  |  ' ||   -| ||-     | ||   
   | ||    | \_/ ||  | .  ||   _| ||_    _| ||   
   |_||     \___//   |_|\_||  /_____//  /__//    
   `-`'     `---`    `-` -`   `-----`   `--`