railway signaling的意思|示意
铁路信号
railway signaling相关短语
1、 Railway signaling flag 铁路信号旗
2、 Lettered Symbols for Railway Signaling 铁路信号用文字符号
3、 railway signaling system 铁路信号系统
4、 railway signaling equipment 铁路信号设备
5、 railway-signaling regulations 铁路信号规则
6、 railway signaling regulations 铁路信号规则
7、 Railway Signaling and construction 铁路电务施工
railway signaling相关例句
The main function of the railway signaling system is to ensure safe operation of train.
铁路信号的主要功能是保证行车安全.
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The testing of railway signaling relays is very important to railway security.
铁路信号继电器的检测是保障铁路安全运行的重要环节.
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