Mechanical seal design is key to the damage of damping function due to the loss of working liquid of hydraulic shock absorber.

为了防止液压减振器因工作液的损失而丧失阻尼效能，其机械密封结构的设计是重要问题。

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The pure polymer gel has low mechanical strength, but the new multi-function composite gel has high mechanical strength, which can control the down-hole loss circulation effectively.

纯粹的聚合物凝胶力学强度相对较低，而新型多功能复合凝胶的力学强度相对较高，能有效的解决井下地层漏失。

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