發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Effect of an arch-type tunnel in the foundation soil on the seismic response of dikes