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

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