英语词汇“pressure block”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 block
释义	pressure block pressure block [′presh·ər ‚bläk] (mining engineering) The pressure on pillars, walls, and other supports in a mine caused by removal of surrounding formations from masses of rocks or by natural geological formations.
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