词汇 | 扩孔 |
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 |
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