發送短信

數:

提供者:

CAPTCHA:

  ______   _    _    __   __   _    _     ____    
 /_   _// | || | ||  \ \\/ // | || | ||  |  _ \\  
 `-| |,-  | || | ||   \   //  | || | ||  | |_| || 
   | ||   | \\_/ ||   / . \\  | \\_/ ||  | .  //  
   |_||    \____//   /_//\_\\  \____//   |_|\_\\  
   `-`'     `---`    `-`  --`   `---`    `-` --`

Please enter what you see:

發送短信 : Performance analysis of a drop-swap terminal to mitigate truck congestion at chemical sites