| 单词 | roller edge |
| 释义 | > as lemmasroller edge roller edge n. ΚΠ 1859 Horol. Jrnl. 1 154/2 No uncertainty of freedom should occur between the guard-pin in the lever and the roller edge. 1881 F. J. Britten Watch & Clockmakers' Handbk. (ed. 4) 125 Roller edges for Lever and Chronometer Escapements. 2000 J. Heard et al. in R. Perryman & C. D. Ellis Adv. in Manufacturing Technol.: XIV 98 The lens did not have the focal length to allow the roller edges to be focused. < as lemmas |
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