| 单词 | speed pulley |
| 释义 | > as lemmasspeed pulley speed pulley n. ΚΠ 1875 E. H. Knight Amer. Mech. Dict. II. 1262/2 The fly-wheel (of a foot-lathe), on which is the cord passing to the speed-pulley of the head-stock. < as lemmas |
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