“nog”的概念、定义、翻译、参考文献-科学参考

单词	nog
释义	nog [näg] ^{MINING ENGINEERING} 1. Roof support for stopes, formed of rectangular piles of logs squared at the ends and filled with waste rock. 2. A wood block wedged tightly into the cut in a coal seam after the coal cutter has passed; it forms a temporary support.
随便看	marker pulse market analysis mark-hold Mark-Houwink equation marking and spacing intervals marking bias marking current marking-end distortion marking pulse marking wave Markov chain Markov inequality Markovnikoff's rule Markov process mark reading mark sensing mark-space multiplier mark-space ratio mark-to-space ratio mark-to-space transition marl marline marline spike marlite marlstone

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