發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : UAV airborne collision to manned aircraft engine : damage of fan blades and resultant thrust loss