“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	facet theory face validity face variables Fa Chang facial Facial Action Coding System facial animation facial cleaning milk facial cleft facial deep-rooted sore facial expression recognition facial forms facial isomer Facial Makeup in Beijing Opera of China Facial Masks of Artist Hao Shouchen Facial Masks of Kunqu Opera Facial Masks of Qi opera facial nerve facial nerve decompression facial nerve tumor facial nucleus facial paintings of different schools of Peking opera facial paintings of Peking opera Facial Paintings of Yuju Opera facial paralysis

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