英语词汇“hurdle sheet”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	hurdle sheet
释义	hurdle sheet hurdle sheet [′hərd·əl ‚shēt] (mining engineering) A brattice-cloth screen across a roadway below a roof cavity or at the ripping lip to divert air current upward, thus diluting and removing firedamp.
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