阿基米德滚刀
Archimedes’ hobbing cutter
齿轮滚刀
gear cutter hob
gear hob
hob cutter
hobbing cutter
generating milling cutter
HOB
Gear-hob
齿轮滚刀检查仪
gear hob measuring machine
大直径滚刀
large diameter disc cutter
刀盘滚刀
disc cutter on cutterhead
非标准蜗轮滚刀
nonstandard worm-wheel hob
滚刀铲磨床
hob relieving grinding machine
滚刀加工
manufacture of wheel cutter
滚刀失效
rolling blade losing efficacy