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Why Subway All Electric Traction, Instead Of Internal Combustion
- Apr 26, 2018 -

Why is the domestic subway all electric traction, instead of internal combustion?

Subway can become the world's popular means of transportation, mainly depends on the following three reasons: 1. The practical application of electric traction 2. Remote control train practical 3. Shield technology the most practical answer are talking about the pros and cons, I can only say that don't understand the subway development.No electric traction, the subway never have become so popular commuter solution, wouldn't survive, even if there is no electric traction, we now the subway should be ground and overhead.That's a big problem.Before electric traction, only London had built an underground railway that was not completely closed, with a vent and even a lot of road sections at that time.The subway in New York is the elevated railway.