undercut form tool退: retreat; draw back; move bac ...刀: knife; sword槽: trough; manger型: mould; model退刀槽: escape; relief groove; tool recess; tool withdrawal groove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:退刀槽型刀，即可在微信中查询翻译
