“rock quality designation”的概念、定义、翻译、参考文献-科学参考

单词	rock quality designation
释义	rock quality designation Encyclopedia 理学地下工程释 rock quality designation岩石质量指标根据钻探时的岩芯完好程度来判断岩体的质量，从而对岩体进行分类的方法。简称RQD。
随便看	diagonal relationship diagonal ring diagonal scale diagonal sequence diagonal set diagonal slash diagonals problem diagonal square diagonal subgroup diagonal sum diagonal sum rule diagonal-sum rule diagonal surface diagonal tensor diagonal term diagonal theorems diagonal triangle diagonal trilateral diagram diagram category diagram-chases diagram-chasing diagram for a group diagram for an algebra diagram functor

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