Growth of cast iron是什么意思

用法例句

In this paper, the price formation of natural fuel in the recovery production of small blast furnace in Baguan River Hard-Wearing Cast Plant and prices of cast pig iron in the major cities of the mainland were briefly introduced; cost of production in the recovery production of this blast furnace was bugeted and analyzed ; ways to decrease its cost were put forward.

简介攀枝花市巴关河耐磨铸件厂小高炉恢复生产的原燃料价格构成情况以及国内主要城市的铸造生铁市场行情,对该高炉恢复生产的生产成本进行了预算和分析,提出了降低其生产成本的途径。