二烧车间的技术经济指标曾居于全国先进行列。七九年初,由于原料和设备条件的变化,有关指标一度下降,暂处于被动地位。为使产质量和消耗指标全部达到或超过历史先进水平,从7月份起,逐步创造条件,推广厚料层操作,继8月份取 Second, the technical and economic indicators of the workshop has lived in the country’s advanced ranks. At the beginning of 1979, due to the change of raw materials and equipment conditions, the relevant indicators dropped once, temporarily in a passive position. In order to make the production quality and consumption indicators all meet or exceed the historical advanced level, from July onwards, and gradually create the conditions for the promotion of thick material layer operation, following in August to take