發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Experimental and numerical study on performance of precast concrete wet and dry joints under progressive collapse scenario