Description: 万向轴，联轴器，万向联轴器，齿轮联轴器，冶金设备，冶金机械，传动机械，万向传动轴，万向节，传动轴 http://www.letely.com [email protected] Universal joint,cardan joint,cardan shaft,gear coupling,transmission machine http://www.letely.com [email protected]
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