ball pin
短语词组
- ball lock pin 插销;插梢;安全插梢
- ball head pin 球头销
- ball -pin riveting 球销铆接
- Ball or pin impression method 弯曲带法
- QUICK -RELEASE BALL LOCK PIN 快退插销
- double -acting ball lock pin 双向安全插销
- universal center ball pin 万向节中心球销
- drilled ball pin 穿孔球销 返回 ball pin