英语词汇“bell cap”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	bell cap
释义	bell cap bell cap [′bel ‚kap] (chemical engineering) A hemispherical or triangular metal casting used on distillation-column trays to force upflowing vapors to bubble through layers of downcoming liquid.
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