The rolling reductions of both layers increase in direct proportion with the total rolling reduction, and the difference between them gradually diminishes and even towards a leveling.

• 随着总压下量的增加，钢和铝的压下量成正比关系增加，变化趋势相同，组元压下量的差值随总压下量的增加而减小，变形量趋于一致。