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Spring flat steel is steel in the tempered state due to its elasticity, specifically used in the manufacture of springs and elastic elements.
Spring steel is a metal, but it is known as general-purpose steel due to its high yield strength elasticity, and flexibility, whi...
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...
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