發送短信 : The effects of micro-fracture on the structural responses of concrete

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