[1]王岗超,聂爱琴,薛克敏,等.利用局部加载法冷精锻圆柱直齿轮 [J].浙江科技大学学报,2009,(03):249. WANG Gang-chao,NIE Ai-qin,XUE Ke-min,et al.Cold closed-die forging of spur gear by local loading process[J].,2009,(03):249.