coal economizer的用法和樣例：
例句
- The economizer structural design method was specifically analysed, and the plant experiment was carried out.
摘要具體分析了省煤器結構的設計方法，并進(jìn)行了電廠(chǎng)實(shí)驗。 - The heating medium is feedwater supplied from the outlet of the HRSG Intermediate pressure economizer.
加熱介質(zhì)為余熱鍋爐中壓省煤器中流出的給水。
