• 器上的卡瓦起到支撑器、锁定胶皮作用性能好坏直接影响到油井产量生产安全

    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.

    youdao

  • 器上的卡瓦起到支撑器、锁定胶皮作用性能好坏直接影响到油井产量生产安全

    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.

    youdao

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