| 摘要 |
A towing hitch includes a fixing bar, a fixing ball, and a stepped seat. The towing hitch is used for connecting a trailer to a wheeled vehicle, such as a car or the like. Thus, the fixing bar is formed with a mounting shaft for detachably mounting the fixing ball or the fixing bar, so that the towing hitch has a detachable structure, thereby facilitating assembly of the towing hitch, and thereby decreasing costs of fabrication.
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