英语词汇“return fire-tube boiler”的翻译、意思、用法、释义-英汉汉英词典

单词	return fire-tube boiler
释义	return fire-tube boiler回焰式火管锅炉return fire-tube boiler回焰式火管鍋爐機械工程return fire-tube boiler回焰式火管鍋爐造船工程名詞
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