Multi-object optimization design for differential and grading toothed
ELSEVIER Available online at -"^ "%* ScienceDirect J China Univ Mining & Technol 18 (2008) 0316-0320 JOURNAL OF CHINA UNIVERSITY OF MINING & TECHNOLOGY www. else vier. com/locate/jcumt Multi-object optimization design for differential and grading toothed roll crusher using a genetic algorithm …