是什么Railway中级
什么是Sylomer？
Sylomer（Sylomer）是Railway领域的一种重要高分子材料。Polyurethane elastomer by Getzner — high-performance vibration isolation material for railway track and building acoustics.
相关标准参考：DIN 45673-1 Mechanical vibration — Resilient elements used in railway tracks — Part 1: Laboratory determination of static and dynamic stiffness。
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