發送短信 : Energy absorption characteristics of sandwich structures subjected to low-velocity impact

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