锪【huo】锪 (1) 鍃 huō (2) 用埋头钻(锪钻)在一钻孔上钻出漏斗形的凹坑 [countersink].如:锪孔 锪孔 huōkǒng (1) [countersinking]∶在孔的顶部周围作成漏斗形凹坑的钻进操作 (2) [spot-facing]∶在孔的顶部周...