double cut双: two; twin; both; dual掏槽: cutting undermine; underholi ...掏槽: [矿物学] cutting [采矿工程] undermine; underholing大掏槽: bossing竖掏槽: vertical cut; vertical kerf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:双掏槽，即可在微信中查询翻译
