| 单词 | fly-pulley |
| 释义 | > as lemmasfly-pulley fly-pulley n. ΚΠ 1875 J. Southward Dict. Typogr. (ed. 2) 124 Let it run down the fly so that it is barely held by the fly pulleys. fly-pulley fly-pulley n. a pulley that may be shifted along the length of a shaft. ΚΠ 1884 Internat. Health Exhib. Official Catal. p. lvii/1 Crank-shaft which carries fly-pulley for transmitting the power by means of a strap. < as lemmas |
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