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	energy medicine practitioner energy metabolism energy meter energy migration energy mineral law foundation energy minimization methods in computer vision and pattern recognition energy modeling energy modeling and analysis exercise energy momentum tensor energy-momentum tensor energy monitoring & control system energy music radio international energy mutual fund energy, natural resources and the environment energy (natural science) energy northwest energy not supplied energy nuclear energy obesity energy observatory network energy of a charge "energy of activation" energy of activation energy of a wave energy of explosives

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