box pin
短语词组
- journal box locating pin 轴箱定位销
- Box Guarantee Pin 附件
- box uand pin down 上部阴螺纹
- driving box cellar pin [机]轴箱圆销
- box and pin 公母接头
- CONNECTION TYPE BOX -PIN 连接类型公母扣连接
- box and pin drill pipe 钻杆公母接头
- Tail gear box positioning pin 尾减定位销
- drill pipe box and pin 钻杆公母接头 返回 box pin