أرسل هذا في رسالة قصيرة: Analysis of ground settlement accelerated by vertical drains

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