發送短信 : Analysis of ground settlement accelerated by vertical drains

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