他们就灌满了，直到缸口。

And they filled them to the brim.

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分析了液压支架立柱缸口密封件泄漏的原因，提出了防止泄漏的几种有效方法。

This paper analyses on the causes of the leakage of the seal elements on column's cylinder mouth, and puts forward some effective methods for preventing the leakage.

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并非科技含量很高的产品，当初就靠“一口缸、两根棒”搅拌起家，这是很多人已经知道的事实。

Not a high tech product, had to rely on "a cylinder, two bars, " mixing started, this is the fact that many people already know.

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