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History
Introduction to the development history of mine electric locomotives and future prospects of the industry
Mine electric locomotives is a kind of traction equipment for rail vehicle transportation. The power is to use the traction motor to drive the wheels to rotate, and use the friction between the wheels
Development history of dowty retarder
The hump continuous speed control equipment, the dowty retarder, is a kind of hydraulic unit which can simply and easily control the speed of hump vehicles without external energy and external control
871 2020-05-14 dowty retarder DETAILS
The Development History of Diesel Locomotive
Diesel locomotives were introduced in the United States in 1924, and have become the most widely used type of locomotive. The modern diesel locomotive is a self-contained, electrically propelled unit.
1586 2017-01-03 Diesel Locomotive Development History Steam Locomotive Electric Locomotive DETAILS