短語(yǔ)詞組短語(yǔ)SIDE SEAM POCKET 側(cè)縫開袋side vertical pocket position 直袋位線side seams pocket 側(cè)縫口袋;縫袋方;邊縫口袋side -pocket gas-lift mandrel 偏心氣擧閥工作筒Flow -control devices for side-pocket mandrels 偏心軸的流控制裝置Running Side Pocket Plug 投偏心堵塞器SIDE POCKET OPENING 側(cè)袋開口Side Pocket Mandrel 偏心工作筒 返回 side pocket