發送短信 : In-structure shock of underground structures : a revisit with experimental investigation

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