“weathered zone of coal”的概念、定义、翻译、参考文献-科学参考

单词	weathered zone of coal
释义	weathered zone of coal Encyclopedia 理学煤炭地质勘查释 weathered zone of coal煤层风化带煤层受风化作用后，煤的物理性质、化学性质发生明显变化的地带。
随便看	tracking system tracking telescope tracking velocity track inspection track inspection car track installation measurement track keeping track length method trackless drift trackless rubber-tyred vehicle track maintenance track of subsatellite point track of Summer Paralympics trackpad track photograph track photometry track pitch track placement track population track quality index track reconstruction track scale track seeking track seeking, seek track sensitive target

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