| 单词 | hollow punch |
| 释义 | > as lemmashollow punch hollow punch n. a hollow circular chisel-edged punch used for cutting smooth holes in yielding material. ΚΠ 1875 E. H. Knight Pract. Dict. Mech. The hollow punch is employed to make holes for rivets in leather..and on other occasions where a smooth, round hole is to be cut out of a yielding material. < as lemmas |
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