以引进型30 0 MW机组为例，介绍了采用中压加热器的主要原因及给水中压加热系统的优点，并对中压加热器、给水系统等提出了设计建议。

Taking an introduced 300mw unit as an example, some reasons for adopting medium-pressure heater and some advantage of feed-water medium-pressure heating system have been described in the paper.

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