發送短信 : Shock Wave Science and Technology Reference Library, Vol. 3 (Solids II)

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