该工具然后绘制朝头部成员扩大锚安全的连接密封堵塞的管道和衬垫。

The tool then draws the expanded anchoring member towards to the head to securely connect the seal plug to the pipeline and liner.

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设计有防中途坐封的销钉，保护封隔器的密封件，提高了封堵管柱的可靠性。

Provide pin to avoid sealing at midway and protect seal part of packer, enhanced reliability of plugging string.

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该方法不能彻底封堵漏油的原因不在于防漏罩的大小，而在于它的密封方式存在缺陷，导油方式存在缺陷。

The method can not completely block the causes oil spill, Not because of the size of leak-proof cover, But that it defective seals, Inadequacies in the way the oil guide.

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