back-up ring
短语词组
- ptee back -up ring 聚四氟乙烯支撑环
- interlocked back -up ring 联锁支撑环
- Back -up bearing ring 支承轴承圈
- PTFE Back -up Ring 聚四氟乙烯档圈
- Screw Back -up Ring 螺旋衬环
- back -up p ring 背位环
- full circle metal back -up ring 全圆式金属支撑环
- PTFE back up & O-ring 铁氟龙 返回 back-up ring