“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	conical coordinate conical curve conical cylinder for limiting light beam conical drawing die conical equal-area projection conical equidistant projection conical flow conical frustum conical function conical helical line conical helix conical indenter conical intersection conical lens conical logarithmic spiral conically conically scanning antenna conical nebula conical net conical papillae conical point conical refraction conical rotor machine conical scan conical scanning earth sensor

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