铁路信号微机监测系统 TJWX
串混型SPD是铁路信号系统过电压防护的新用法。
The series mixed SPD is a new method of using for the railroad signal system of over voltage protection.
无线闭塞中心（RBC）是高速铁路信号系统的地面核心子系统。
Radio Block Center (RBC) is the kernel subsystem of the ground system in high-speed railway signaling system.
通过一个开发铁路信号系统的暑期工作，Ted初尝了为现实世界工作的滋味。
A summer job developing railway signalling systems had given him a taste for working in the real world.
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