grinding wheel groove砂轮: emery cutter; knife grinder; ...越程: skip distance槽: trough; manger越程槽: grinding undercut磨削越程槽: grindingunder-cut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:砂轮越程槽，即可在微信中查询翻译
