發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Establishment of enhanced biological phosphorus removal process by using seed sludge from a conventional activated sludge process