| 单词 | θ212432 | 
| 释义 | society > occupation and work > equipment > screwdrivers, wrenches, spanners > 			[noun]		 > spanner or wrench > bed-wrench (3)		 bed-wrench1844 bed-winch1848 an instrument for tightening up or loosening the screws of bedsteads. bed-key1861 an iron tool for screwing and unscrewing the nuts and bolts of a bedstead. | 
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