發送短信 : Stability of cenospheres in lightweight cement composites in terms of alkali-silica reaction

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