Deep Groove ball bearings are the most popular of all the ball bearing types because they are available in a wide variety of seal, shield and snap-ring arrangements.
深沟球轴承是所有类型的球轴承最流行的，因为他们是在一个密封，盾牌和管理各种各样的戒指安排可用。
Keep your elbow in and snap your wrist when the ball is rising.
收肘的同时腕关节迅速发力击打正在上升运动的回球。
Ball and Snap - The both spheres have anticipation and follow through as they move from left to right.
应用“动作保持”的小球――两个球都是从左到右移动，都有动作预备、动作跟随。
The Cross Hair tip provides an easy-to-see dot on the tip of the ball, making incoming passes a snap to track.
提醒的十字线提供了一个易于见斑点顶端上的球，使传入传球瞬间跟踪。
The Cross Hair tip provides an easy-to-see dot on the tip of the ball, making incoming passes a snap to track.
提醒的十字线提供了一个易于见斑点顶端上的球，使传入传球瞬间跟踪。
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