英语词汇“air knife”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 knife
释义	air knife air knife [′er ‚nīf] (engineering) A device that uses a thin, flat jet of air to remove the excess coating from freshly coated paper. (metallurgy) A device that employs a high-velocity airstream to separate metallic particles with different densities by shifting the trajectory of lighter particles more than that of heavier particles.
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