英语词汇“pressure bump”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	pressure bump
释义	pressure bump pressure bump [′presh·ər ‚bəmp] (mining engineering) Sudden failure of a coal pillar overloaded by the weight of the rock above it.
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