發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : DDA based grouting prediction and linkage between fracture aperture distribution and grouting characteristics