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Forging temperature range refers to the temperature interval between the initial forging temperature and the final forging temperature.In order to improve the plasticity and reduce the deformation resistance, we hope to increase the heating temperature of metal as much as possible; However, in order
In fact, at the beginning, all the wheels were made of wood or iron. Later, rubber tires were invented. Rubber tires can play a good role in shock absorption on uneven roads. But the train has been running on the track, there is no need for rubber tires. The train was invented before the car. There
