英语词汇“roof stringer”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	roof stringer
释义	roof stringer roof stringer [′rüf ‚striŋ·ər] (mining engineering) A lagging bar running parallel with the working place above the header in a weak or scaly top in narrow rooms or entries which have short life.
随便看	lhop lhopital, guillaume francois antoine de l'hopital rule l'hopital's rule l'hopitals rule lhopital's rule lhopitals rule lhosar lhosf lhospital, michel de l'hospital rule l'hospital's rule lhospital's rule lhospitals rule lhot lhotf lhoti lhotp lhotse lho tsendenjong lhotse shar l-hour lhov lhow member information exchange

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