發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Condensation frosting and freezing of impact water droplets on cold surfaces