求翻译：近年来随着纳米技术突飞猛进，出现纳米改性PU弹性体材料用于塑胶跑道铺没，材料不但秉承一般PU塑胶强度高、弹性好、耐老化、耐磨、耐候的特点，尤其表现出良好的力学性能，纳米改性PU弹性体抗张强度和断裂伸长率成倍增长，优良的回弹值和压缩回复率也是普通PU塑胶跑道无法比拟的，同时耐磨、阻燃、防霉和使用寿命也大大延长。是什么意思？

Shop did not, in recent years as nanotechnology advances, nano-modified pu elastomer material for plastic track not only the material adhering to the general pu plastic high strength, good elasticity, anti-aging, wear, weathering characteristics, in particular, showed good mechanical properties, nan

In recent years, with nano-technology advances, the NM modified PU polymer material used in plastics, the material was not paved runway will not only keep up with our general PU plastic high strength, flexibility, and resistance to aging, wear and weather-resistant characteristics, in particular a g

In recent years progressed by leaps and bounds along with a nanotechnology, appears the nanometer modified PU elastomer material to use in the plastic track shop not having, not only the material received the general PU revertex intensity high, the elasticity good, bears the aging, wear-resisting, b

In recent years as nano technology rapid, appears Nano modified sexual PU elastic body material for plastic runway Shop No, material not only adhering to General PU plastic strength high, and elastic good, and resistance aging, and wear, and resistance waiting of features, especially performance out

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