發送短信 : CORROSION INDUCED CRACKING IN CONCRETE

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