介绍了汽车发动机冷却液的组成、性能、国内使用现状、质量抽查结果分析等，提出了发生问题的原因及解决问题的建议。

Automotive engine cooling fluid's composition, properties, domestic application status and quality analysis were presented, pointing the reasons of quality problems and method to solve problems.

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通过对影响产品质量及过滤速度的因素分析，提出了改善产品过滤性能的建议，对产品过滤方法研究及生产具有参考价值。

By analyzing the factors that influence on the product quality and filtration rate, the Suggestions for improving filtration performance were proposed.

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