dart union swivel

例句：

1. 1.The dart union swivel is a popular tool for anglers to use in fishing.
   飞镖联盟旋转器是钓鱼爱好者常用的工具。
2. 2.The dart union swivel allows the angler to control the direction of the line with ease.
   飞镖联盟旋转器使钓手能够轻松控制线的方向。
3. 3.The dart union swivel is a versatile tool that can be used for various fishing techniques.
   飞镖联盟旋转器是一种多功能工具，可用于各种钓鱼技巧。