“floor of coal seam”的概念、定义、翻译、参考文献-科学参考

单词	floor of coal seam
释义	floor of coal seam Encyclopedia 理学煤炭地质勘查释 floor of coal seam煤层底板在正常顺序的含煤岩系剖面中，直接伏于煤层下面的岩石。
随便看	stable set stable set polynomial Stable Shareholders stable sheaf stable singularity stable situation stable sliding stable smooth mapping stable solution stable sorting algorithm stable space stable spiral point stable star stable state stable state kinetics stable static model stable strategy stable structure stable subgroup stable submanifold stable subordinator process stable subset stable subspace Stable Sulphur Isotope Analysis stable surface

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