“coal bedding sets”的概念、定义、翻译、参考文献-科学参考

单词	coal bedding sets
释义	coal bedding sets Encyclopedia 理学成煤植物释 coal bedding sets煤层组赋存在含煤岩系中，且成煤环境相似、成煤条件相同的层状煤体组合。
随便看	quadrangular pyramid quadrangular set of six points quadrangulation of boundary representation based shapes Quadrans Muralis quadrant quadrantal angle quadrant altazimuth quadrantal triangle quadrant angle quadrant detector quadrant electrometer Quadrantid meteor shower Quadrantids quadrant of a circle quadrant relation quadrant spherical triangle quadrant unit quadraphony quadrasonics quadrat quadrate quadrate-articular jaw joint quadrate bone quadrate muscle quadrate tubercle

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