發送短信

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

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發送短信 : Quick design tool for welded circular hollow sections joint using MS Excel