أرسل هذا في رسالة قصيرة: Air distribution and balance in ACMV system

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