A staff member introduces railway technologies to a visitor at the booth of Siemens at the "Innotrans" railway industry trade fair in Berlin, capital of Germany, on Sept. 18, 2018. The bi-annual "Innotrans" railway industry trade fair, the largest of its kind in the world, opened on Tuesday in Berlin, with a focus on autonomous and digital technologies. (Xinhua/Shan Yuqi)
Innotrans railway trade fair opens in Berlin, highlighting digitalization
Source: Xinhua| 2018-09-19 01:14:52|Editor: ZD
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