أرسل هذا في رسالة قصيرة: The Study of micro-bubble Generator on Aerobic Waste Water Treatment using Bio-Ball Method, Based on The Bubbling Generating Condition and The Configuration of Micro-bubble Generator

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