economizer fin-tube是什么意思，economizer fin-tube的翻译，economizer fin-tube音标、读音、用法和例句

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economizer fin-tube是什么意思，economizer fin-tube的翻译，economizer fin-tube音标、读音、用法和例句_按摩法牛津词典

economizer fin-tube

基本解释

专业释义

機械工程