| 单词 | bastard file |
| 释义 | > as lemmasbastard file d. Designating a cut intermediate between that of a rough file and that of a smooth file, or a file having such a cut. Chiefly in bastard file. ΚΠ 1635 G. Tooke Legend of Brita-mart sig. C4 The bastard file also. 1688 R. Holme Acad. Armory iii. vii. 304/1 The Chaps, the holding part, which is nicked or cut with a Bastard cut. 1708 I. Newton Let. 21 Jan. in Corr. (1977) VII. 456 For..Allum, Argol, flat smooth bastard files. 1884 F. J. Britten Watch & Clockmakers' Handbk. (new ed.) 32 Bastard Cut... A file between rough and smooth. 1914 R. H. Grant Manuf. Steel Balls (‘Machinery’ Ref. Bk. No. 116) ii. 23 He took a regular 16-inch bastard file and ground a 90-degree groove in the center, almost the entire length of the file. 1988 D. Rees GCSE CDT—Design & Realisation xi. 94 (in figure) Files... Available in three grades of cutting. Bastard; second; smooth. < as lemmas |
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