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Annealing is a process of heat treatment of metals, in which a metal is slowly heated to a certain temperature, held for enough time, and then cool...
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Hot processing: hot rolling, hot extrusion (expansion) Cold processing: cold drawing, cold rolling Cold drawing is a producing method of reproces...
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According to the survey, side impact accounts for about 1/3 of all vehicle collision modes. Therefore, how to protect the driver's safety in side i...
