hob and worm grinding machine蜗轮: worm gear; worm wheel滚刀: hobbing cutter; hob两用: dual purpose磨床: grinding machine; grinder蜗轮滚刀: worm gear hob; worm hob下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:蜗轮滚刀两用磨床，即可在微信中查询翻译
