... economic age 经济年令 economic useful plant 经济植物 economical character 农艺性状 ...
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The scheme for reforming air preheater and how to reduce the ratio of air leakage are analyzed. it is useful for power plant economic operation.
通过对回转式空气预热器改造的方案及措施分析，阐述了降低预热器漏风率对电厂经济运行所带来的好处。
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