فهرس المقالات Electric discharge drilling machining . MRR .TWR . ANOVA . Taguchi method .Grey relational analysis حرية الوصول المقاله صفحة الملخص نص كامل 1 - Multiple performance characteristics optimization for Al 7075 on electric discharge drilling by Taguchi grey relational theory Reza Tavakkoli-Moghaddam Rajesh Khanna Anish Kumar Mohinder Pal Garg Ajit Singh Neeraj Sharma