| 单词 | ball hitch | 
| 释义 | > as lemmasball hitch   ball hitch  n. (on a motor vehicle) a type of tow bar surmounted by a metal ball, to which the tow rope or drawbar of a caravan, trailer, etc., is secured; a corresponding fitting on the drawbar of a caravan or trailer. ΚΠ 1934    Mansfield 		(Ohio)	 News-Jrnl. 1 Dec. 10/2 		(advt.)	  				2-Wheel trailer, ball type hitch.]			 1935    Oakland 		(Calif.)	 Tribune 17 Nov.  t5/5 		(advt.)	  				Trailer with ball hitch. 1989    Mail on Sunday Camping & Caravanning 48/2  				The height of the ball coupling bears a relationship to the height of the actual ballhitch of the car. 2005    Safety & Health in Ports 		(Internat. Labour Office)	 vi. 318  				Particular attention should be paid to vehicles towing caravans, which should always use proper ball hitches. < as lemmas | 
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