英语词汇“pitprop”的意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-ABC网

单词	pitprop
释义	pitprop 音标['pitpr?p] 汉语翻译 n. 坑木, 坑道支柱英语解释：名词 pitprop: a wooden prop used to support the roof of a mine 同义词：sprag
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pitprop