英语词汇“air jacket”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	air jacket
释义	Word Frequency air jacket noun 1. an air-filled envelope or compartment surrounding a machine or part to reduce the rate at which heat is transferred to or from it Compare water jacket 2. a less common name for life jacket
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