The reformation scheme of big granule urea unit is briefly introduced and summarization is made for executing effect of the technical reformation.
介绍了大颗粒尿素装置改造方案，对技术改造的实施效果进行了总结。
This paper expounds the necessity of steam coal bunker reformation in Duerping Mine, and gives the technical scheme and construction scheme of reformation of unloading chamber in steam coal bunker.
阐述了杜儿坪矿动力煤仓改造的必要性。给出了改造动力煤仓卸载站的技术方案和施工方案。
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