side pocket
短语词组
- SIDE SEAM POCKET 侧缝开袋
- side vertical pocket position 直袋位线
- side seams pocket 侧缝口袋;缝袋方;边缝口袋
- side -pocket gas-lift mandrel 偏心气举阀工作筒
- Flow -control devices for side-pocket mandrels 偏心轴的流控制装置
- Running Side Pocket Plug 投偏心堵塞器
- SIDE POCKET OPENING 侧袋开口
- Side Pocket Mandrel 偏心工作筒 返回 side pocket