economizer
n. 节约者, 节约装置 [化] 节油器; 节热器; 省热器; 省煤器; 废气预热器; 废热锅炉
词形变化
economizers
复数
economizers
别名
economiser
释义与例句
n.
-
1.
A person who avoids waste
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2.
A heat exchange device in a boiler that improves efficiency and saves fuel.
词汇关系
词源
From economize + -er.
来源：wiktionary