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  ______    _____     _  _     _____   __    __  
 /_____//  |  ___||  | \| ||  |  ___|| \ \\ / // 
 `____ `   | ||__    |  ' ||  | ||__    \ \/ //  
 /___//    | ||__    | .  ||  | ||__     \  //   
 `__ `     |_____||  |_|\_||  |_____||    \//    
 /_//      `-----`   `-` -`   `-----`      `     
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發送短信 : Simulation of a surface mount technology (SMT) system