本实用新型坞壁车回转机构中，齿轮、齿条是在完全封闭的结构内运行，消除了安全隐患；
In the swing structure of the dock wall car, gear wheels and gear racks operates in a completely enclosed structure so that the potential safe hazard is eliminated;
本实用新型坞壁车回转机构中，齿轮、齿条是在完全封闭的结构内运行，消除了安全隐患；
In the swing structure of the dock wall car, gear wheels and gear racks operates in a completely enclosed structure so that the potential safe hazard is eliminated;
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