“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	oxidizer-rich gas staged combustion liquid rocket engine oxidizing active DNA alkylating agent oxidizing active DNA crosslinking reagent oxidizing agent oxidizing capacity of the troposphere oxidizing liquids oxidizing refining oxidizing roasting oxidizing roasting of mineral raw material oxidizing roasting of Mo sulfide ore oxidizing solids oxidoreductase oxidoreduction oximation oxime oximeter oximetry oxirane oxirene oxo acid oxoacid oxoacid; oxo acid; oxy-acid; oxyacid; oxiacid; oxacide oxo bridge oxo carboxylic acid oxo clusters

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