This paper introduces the national building process of the bell type furnace. The furnace linings USES the home built refractory to replace the input products.
本文介绍了罩式炉国产化改造过程中，以国产耐火材料替代进口高级耐火材料作炉衬的应用及进展。
A common characteristic of the four elements is their close relation to market including factor market, market of final consumption goods and market of intermediate input products.
这四个因素的共同特点是与市场密切相关，既包括要素市场，也包括最终消费品市场，还包括中间投入品市场。
A common characteristic of the four elements is their close relation to market including factor market, market of final consumption goods and market of intermediate input products.
这四个因素的共同特点是与市场密切相关，既包括要素市场，也包括最终消费品市场，还包括中间投入品市场。
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