The fresh air and the design of the return air duct for a pool in Iran
Drawing labels, details, and other text information extracted from the CAD file:
okb, íãçã, det., dn., r.g, cfm, r.g, cfm, r.g, cfm, r.g, cfm, r.g, cfm, r.g, cfm, r.g, cfm, r.g, cfm, r.g, cfm, r.g, cfm, dn., s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm, s.a.d, cfm