發送短信 : Finite element analysis of braced excavation in sand

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