發送短信 : Ko-volume change characteristics of an unsaturated soil with respect to various loading paths

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