| 单词 | jig-bore |
| 释义 | > as lemmasjig-bore jig-bore v. [as a back-formation] (transitive) to drill (a hole) by means of a jig borer. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > work with metal [verb (transitive)] > machine turn?c1335 mill1677 to rough down1829 broach1846 spin1853 plane1875 straddle mill1898 profile1905 jig-bore1939 spark-erode1960 1939 C. B. Cole Tool Making 258 The bushing plate is made from cold-rolled steel, and this is laid out carefully and the hole jig-bored for the drill bushing. 1967 A. J. Lissaman Metrol. vi. 71 The holes in the plate would be jig-bored prior to the fitting of the bushes and the centre distances would need to be checked, both after jig-boring, and after the fitting of the drill bushes. < as lemmas |
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