Posted inDuct Sizing Pressure Loss Calculation (Supply Duct) Posted by By Aung Myat Thu December 17, 2021 ဤသင်ခန်းစာသည် member ဝင်ထားသူများအတွက်သာ ဖြစ်ပါသည်။ Aung Myat Thu I am founder of this website and I have working experiences 15 years + in HVAC industry. View All Posts Post navigation Previous Post Pressure Loss Calculation (Supply Duct) LectureNext PostPressure Loss Calculation (Return Duct) Lecture