| 单词 | lever-engine |
| 释义 | > as lemmaslever-engine lever-engine n. †(a) = beam-engine n. (obsolete); (b) = side-lever engine (1876 in E. H. Knight Pract. Dict. Mech. and in later dictionaries). ΚΠ 1744 J. T. Desaguliers Course Exper. Philos. II. 489 The Leaver Engine, often call'd Newcomen's. < as lemmas |
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