英语词汇“helical-fin section”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	helical-fin section
释义	helical-fin section helical-fin section [′hel·ə·kəl ′fin ‚sek·shən] (chemical engineering) Helical-shaped, extended-surface addition for the external surfaces of process-fluid tubes to increase heat-exchange efficiency; used for gas heating and cooling and in fuel oil residuum exchangers.
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