control valve

[kavoos]

control valves is a part of a control system
this is very importent in petrochemical & refinary process
u can learn the basic concept of it in the below file
download it and say kavoos is bad
also it is persian​

 

[پیرجو]

you are not bad, you are a good boy
but...... if you make a topic that it was in talar .....

 

[kavoos]

REALLY

REALLY

SORRY
I DONT KNOW​

 

[mahdi.adelinasab]

SORRY


I DONT KNOW​

كاووس جان! دوست عزيزم!
در اين باشگاه كه به خودت تعلق داره براي حفظ ارزشهاي قانوني اين باشگاه و احترام به همه دوستان لطفا فارسي تايپ كن.
آخه خوندن فونت هاي انگليسي يه خورده مشكله....
منتظر پيام هاي دلنشين و مطالب علمي گرانبهات هستيم
پيروز باشي
يا علي