套式齿轮滚刀 gear hob: 齿轮滚刀; 滚齿carbide skiving gear hob: 硬质合金刮削滚刀carbide-tipped gear hob: 硬质合金镶片齿轮滚刀circular grinding gear hob: 圆磨法齿轮滚刀cycloidal gear hob: 摆线齿轮滚刀下载手机词典可随时随地查词查翻译