| 单词 | power breaker | 
| 释义 | > as lemmaspower breaker   power breaker  n. 		 (a) U.S. a piece of heavy-duty machinery for breaking up the ground;		 (b) a circuit-breaker, esp. one for handling large currents (a proprietary name in the United Kingdom). ΚΠ 1909    Iowa City Citizen 14 June 3/3  				They have been running a power breaker up there and have been doing a good business but the continued heavy rains have made the ground too soft for their heavy engine. 1961    Sheboygan 		(Wisconsin)	 Press 17 Mar. 14/5 		(advt.)	  				John Deere Killefer power breaker model 25 subsoil attachment. 1969    Fond du Lac 		(Wisconsin)	 Commonw. Reporter 29 Mar. 20/5  				The main power breaker at the transmitter has been replaced. 1992    RS Components: Electronic & Electr. Products July 509/2  				The powerbreaker residual current protected safety plug provides protection against electrocution. < as lemmas  | 
	
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