packer rubber
... packer rubber grap 胶皮碗定位卡 packer rubber 封隔器胶皮筒 packer setting ball 封隔器坐封球 ...
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封隔器上的卡瓦锚定后起到支撑封隔器、锁定胶皮筒的作用，其性能好坏直接影响到油井的产量和生产安全。
The slips in the packer is for supporting packer and for locking rubber after anchoring. The capability of the slips influences directly on oil well yield and productive safety.
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