“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	variable rate irrigation variable rate sampling variable-ratio schedule variable reaction coordinate transition state theory variable refrigerant volume central air-conditioning system variable region variable reluctance stepping motor variable reluctive transducer variable rules variable selection variable selection for linear regression model variable separation method variable sign variables inspection variable source variable-spacing interferometer variable-spacing interferometry variable specific impulse magnetoplasma rocket variable-speed constant-frequency variable speed control moment gyro variable speed drive variable speed operation variable speed pumped storage variables quality characteristic variable-stability aircraft

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