發送短信 : Design and development of cement equipment cloud simulator

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