Carpet in the use of projects, with many hard paving materials can not match advantage.
地毯在使用工程中，具有许多硬质铺地材料无法比拟的优点。
A low cost polyurethane paving materials were produced by studying compositions and ratio of polyurethane elastomer admixture.
通过研究聚氨酯弹性体的组成及配比，制备了低成本聚氨酯铺装材料。
The results showed that the flame-retardant property of polyurethane paving materials was enhanced obviously by using complex flame-retardant agent system.
研究结果表明采用复合阻燃体系可显著提高聚氨酯铺装材料的阻燃性能。
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