Theory and necessity of all low temperature shift process are described. Modification content and effect are introduced. Significance of its wide application is pointed out.
阐述全低变工艺改造的理论和必要性。介绍该厂有关改造的内容和效果，指出该工艺具有广泛的推广性。
Theory and necessity of all low temperature shift process are described. Modification content and effect are introduced. Significance of its wide application is pointed out.
阐述全低变工艺改造的理论和必要性。介绍该厂有关改造的内容和效果，指出该工艺具有广泛的推广性。
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