This Robotic Mechanism For Swapping Out Railway Tracks Is Ingenious
This Robotic Mechanism For Swapping Out Railway Tracks Is Ingenious
This technology was filmed at the Chongqing stop on Line 3, the longest and busiest monorail in the world.
April 5, 2019 at 04:16AM
"Continue" http://bit.ly/2Uae5Lp