English translation for "automatic block signal"

自动闭塞信号机

Similar Words：

"automatic block district" English translation, "automatic block equipment" English translation, "automatic block installation" English translation, "automatic block operation" English translation, "automatic block project" English translation, "automatic block signal(l)ing equipment" English translation, "automatic block system" English translation, "automatic block with axle counter" English translation, "automatic block with coded track circuit" English translation, "automatic block-making machine" English translation