“railway signaling vital relay”的概念、定义、翻译、参考文献-科学参考

单词	railway signaling vital relay
释义	railway signaling vital relay Encyclopedia 工学〔铁路信号设备〕释 railway signaling vital relay铁路信号安全型继电器基于重力恒定原则，接点采用抗熔焊触头材料，实现故障-安全的铁路信号专用继电器。
随便看	weak neighborhood weak neutral current weak norm weak nuclear force weak nuclear interaction weak operator topology weak operator topology (WOT) weak ordering weak order unit weak partition weak perfect graph conjecture weak periodic potential weak phase object approximation weak pinning weak potential kernel weak P-point weak price of agricultural products weak product weak projectivity condition weak property weak pullback weak pulse weak pushout weak relation weak relative minimum

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