| 单词 | pulley-clutch | 
| 释义 | > as lemmaspulley-clutch ΚΠ 1875    E. H. Knight Amer. Mech. Dict. III. 1820/1  				Pulley-clutch, a device for fastening a hoisting pulley to a beam or rafter. 1895    I. K. Funk et al.  Standard Dict. Eng. Lang. II. at Pulley n.  				Pulley-clutch, a clutch for connecting a pulley with its shaft. < as lemmas | 
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