run-outs undercuts and chamfers for general purpose metric screw threads退: retreat; draw back; move bac ...刀: knife; sword槽: trough; manger和: mix; blend倒角: angle of chamfer; chamfer; c ...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:退刀槽和倒角,即可在微信中查询翻译