ground ball
短语词组
- ground for ball games 球场
- GROUND D BALL 地滚球;落地球
- ground the ball 压球触地
- ground -casting ball 地掷球运动
- play ground ball 游戏场球
- Standard Ground Ball Screws 标准研磨滚珠丝杠;标准研磨滚珠丝杠支撑座
- ground ball grounder 地面球
- Shack a ground ball 跑去捡回一个滚地球
- High precision ground ball screw 高精密磨削滚珠丝杠 返回 ground ball