ball ring
短语词组
- ball and ring test 球环试验
- ball and ring method 环球法;翻译
- ball and ring apparatus 球环软点测定器;翻译
- ball -ring mill 环球磨
- ball distance ring 滚珠轴承座圈;滚珠轴承圈;滚珠护圈
- Ball & Ring 球环法
- double row ball race ring 双列滚珠轴承座圈
- Ball bearing outer ring 球轴承外圈
- ball head hanging ring 球头挂环 返回 ball ring