In retrofit, measures of not varying the main body and changing over to use membrane economizer for enhancing wear-resistant capability of the heating surface have been taken.
改造采取主体不变，改用膜式省煤器的措施来提高受热面的耐磨性。
In retrofit, measures of not varying the main body and changing over to use membrane economizer for enhancing wear-resistant capability of the heating surface have been taken.
改造采取主体不变，改用膜式省煤器的措施来提高受热面的耐磨性。
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