triple roller joint 三滚柱万向节
universal-joint roller 万向节滚柱
two-joint roller dies 二连式辊模
swivel joint roller bearing 轴承
roller head joint 辊端接头
The invention relates to a bearing, especially roller joint bearing, comprising outer and inner ring.
本实用新型涉及一种轴承，尤其是涉及一种关节轴承。
Roller Skating is not the role of powerful forces in the body, muscle and joint injuries is relatively small.
轮滑运动没有强大的力量作用在身上，对肌肉和关节的伤害比较小。
Crushing roller is a straw chopping stubble-breaking machine critical core component of a joint operation, with simple structure, the advantages of good straw chopping effects.
粉碎辊是秸秆粉碎破茬联合作业机关键核心部件，具有结构简单，秸秆粉碎效果较好等优点。
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