在不影响现有设备稳定性和安全性的前提下，对实时检查调车信号机白灯灯丝的情况进行探讨。
How to check the filament real-time status of white light signal in a shunting signal is discussed deeply in the case of not affecting stability and safety of signal equipment in use.
在不影响现有设备稳定性和安全性的前提下，对实时检查调车信号机白灯灯丝的情况进行探讨。
How to check the filament real-time status of white light signal in a shunting signal is discussed deeply in the case of not affecting stability and safety of signal equipment in use.
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