04 شهریور دستهبندی نشده, شیرآلات valves(شیرآلات) ارسال توسط محمد رضا خواجه وند اردیبهشت 29, 1404 0 control valve: A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal fr... ادامه مطلب
