railway signalling

• 铁路信号(学)

railway signalling的用法和样例：

例句

1. A training programme in France will also be provided for Vietnam Railways Signaling Engineers.
   越南铁路信号工程师的培训将在法国进行。
2. A training programme in France will also be provided for Vietnam Railways Signaling Engineers.
   越南铁路信号工程师的培训将在法国进行。