| 单词 | brake-pulley | 
| 释义 | > as lemmasbrake-pulley   brake-pulley  n. a pulley (pulley n.1 1c) that acts as a brake. ΘΚΠ society > occupation and work > equipment > lifting or hoisting equipment > 			[noun]		 > tackle > pulley > types of ram-head1611 pentaspast1702 differential pulley1833 jackanapes1844 well pulley1855 brake-pulley1873 1873    J. Richards On Arrangem. Wood-working Factories 67  				The brake pulley must always be placed on the slack side of the belt, where the bottom pulley is the driver. < as lemmas  | 
	
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