發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Numerical modeling of the annular failure pressure during HDD in noncohesive soils