grinding undercutgrindingundercut磨削: grinding; ablation空: leave empty or blank; empty; ...刀: knife; sword槽: trough; manger空刀槽: clearance groove; escape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:磨削空刀槽，即可在微信中查询翻译
