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Spring steel is a metal, but it is known as general-purpose steel due to its high yield strength elasticity, and flexibility, which gives it unique forming, shaping, and post-heat treatment capabilities.
Steel rail is the main component of railroad track. Its function is to guide the wheels of rolling stock forward, to withstand t...
The big weight vehicle running track to bear the larger vehicle weight, so the rail is thicker and heavier, the track specificati...
The track structure should have sufficient strength, stability and smoothness to ensure that the rolling stock runs according to ...
Although, two trains that are running in the same direction will always run at a relatively safe distance, each train that is pul...
Zhan Tianyou of China built railroads in the late Qing and early Ming dynasties and created brilliant achievements. In parti...
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