| 释义 |
扩孔扩孔[kuò kǒng]1.■reaming; {土} under-reaming; bearizing; ring rolling; hole enlarge; counterbore
常用词组1.■扩孔刀具 broad;2.■扩孔底 squibbing;3.■扩孔机 staving press; ring rolling machine;4.■扩孔钻头 broaching bit; counterbore cutter head; hole dilating drill; redrill bit; underreaming bit |