在操作方面，论述了合理的加热制度、随轧机产量的变化改变炉底布料密度、及时清除炉底积渣、工业电视在装出料操作上的应用以及定期更换炉底砌砖等。
For the furnace operation, optimistic heating patterns, billet spacing control depending on rolling mill production, prompt removal of slag on furnace bottom, utilization of industrial ve…
借助故障树的不交积之和，直接由底事件参量进行综合计算，将简化故障树的动态分析。
By means of the exclusive sum of products of a fault tree, the improved method USES the basic event parameters direct in the synthetic evaluation and makes the fault tree kinetic analysis more simple.
这说明底栖动物对重金属的富积是个动态的过程，金属间具有一定的协同作用。
This shows that the accumulation of cu in benthic fauna is a dynamic process, and it occurs to cooperate with the different heavy metals.
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