mtzkhirt
31-08-2008, 08:22 AM
هذا الملف يعلمك كيفية حساب كفاءة مضخات الطرد المركزى
....
.
.
.
.
.
.
.
.
.
http://carsnology.blogspot.com/2008/08/agricultural-pumping-efficiency.html (http://carsnology.blogspot.com/2008/08/agricultural-pumping-efficiency.html)
منقول
__________________
....
.
.
.
.
.
.
.
.
.
http://carsnology.blogspot.com/2008/08/agricultural-pumping-efficiency.html (http://carsnology.blogspot.com/2008/08/agricultural-pumping-efficiency.html)
منقول
__________________