مراجع مهمه جدا جدا يا جماعة
Audel Pumps & Hydraulics, 6th Edition
by Rex Miller, Mark Richard Miller, Harry L. Stewart


http://mihd.net/rvcabd/phwi2004.rar
http://www.mediafire.com/?42vmeuzdswd



Thermodynamics : An Engineering Approach, 5th Edition
by Yunus A. Cengel Michael A. Boles


links


http://ifile.it/ymc7kvg/0073107689.rar

or

http://ifile.it/x8vyq7/thermodynamics.pdf