对初级产品进行再加工的部门。在我国包括工业(采掘业、制造业、自来水、电力、蒸汽、热水、煤气)和建筑业secondary industry

• 短期来看，第二产业用电量在全社会用电量中占比较大没法改变，但5至10年后可能会慢慢发生变化。

  In the short term, the proportion of society's total electricity use accounted for by secondary industry cannot change, but slow changes may occur after 5 to 10 years.