短語詞組短語undercut profile 鉆蝕斷面圖;切口型undercut weld 底切焊接undercut slot 梯形割縫Undercut Handing 底部切削處理Undercut Competition 這個(gè)選項(xiàng)undercut price [貿(mào)易]削價(jià);壓低價(jià)格undercut ball 下切球Undercut Depth 倒凹深度to undercut 使打折扣 返回 undercut