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	sucquet canals sucquet-hoyer anastomoses sucquet-hoyer canals sucquet, j.p. sucquet, jp sucr sucra sucraid sucralfate sucralose sucrase sucraseed roux, philibert j. roux, pierre paul emile roux pierre paul émile roux, pierre paul émile roux, pierre p.e. roux, pierre pe roux sign roux spatula roux stain roux, wilhelm rouyn-noranda roué rov

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