burden structure meaning in English

间接费用结构

Abstract : some small blast furnace in tanshan district , which based on the resource predominance , make effort to burden material preperation , increase the qualities of sinters and pellets , optimize the burden structure , so there technico - econonic indeces were improved , and the cost of pig iron decreased to 700yuan / t
文摘:唐山地区的一些小高炉凭借资源优势狠抓精料,提高烧结矿和球团矿质量,优化炉料结构,从而改善了小高炉的技术经济指标,使生铁成本降到接近700元/ t的水平。