backing ring
英 [ˈbækɪŋ rɪŋ]
美 [ˈbækɪŋ rɪŋ]
衬（垫）环；垫圈
双语例句
- The "AP" Bearing also contains a spacer, seal, seal wear rings, axle end cap, cap screws, locking plate and backing ring.
AP轴承还集成了隔圈、密封、密封耐磨环、轴端盖、端盖螺钉、锁定板以及后挡环等部件。
美 [ˈbækɪŋ rɪŋ]
衬（垫）环；垫圈