Automation insulates work on Qinghai-Xizang Railway
- Posted on July 2, 2026
- By The China Daily
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- 1 min read
Automation insulates work on Qinghai-Xizang Railway
At the Nagchu railway workshop, situated 4,500 meters above sea level, workers once gave a simple flight of stairs a grim nickname: the "deadly 23 steps".