mtzkhirt
10-07-2012, 07:46 PM
عرض بوربوينت رائع للغاية ستستفيد منه ان شاء الله
Shielded Metal Arc Welding (http://www.link512.com/ebooks/shielded-metal-arc-welding/)
الرابط
Download
(http://www.link512.com/ebooks/shielded-metal-arc-welding/)http://www.link512.com/ebooks/shielded-metal-arc-welding/
(http://www.link512.com/ebooks/shielded-metal-arc-welding/)
Shielded Metal Arc Welding (http://www.link512.com/ebooks/shielded-metal-arc-welding/)
الرابط
Download
(http://www.link512.com/ebooks/shielded-metal-arc-welding/)http://www.link512.com/ebooks/shielded-metal-arc-welding/
(http://www.link512.com/ebooks/shielded-metal-arc-welding/)