摘要
利用小直径麻花钻 ,改磨成“排孔钻” 。
Make use of small diameter twist drill to change it into drill of wearing intersect holes and put it into the ability education of locksmith.
出处
《益阳师专学报》
2000年第6期48-49,共2页
Journal of Yiyang Teachers College
关键词
钳工
技能
排孔钻刃磨
锉配件加工
locksmith
ability.
twist drill of wearing intersect holes
