發送短信 : STRUCTURAL SYSTEM FOR WIND AND EARTHQUAKE LOADS

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