“sapropelic coal”的概念、定义、翻译、参考文献-科学参考

单词	sapropelic coal
释义	sapropelic coal [¦sap·rǝ¦pel·ik `kōl] ^GEOLOGY Coal formed by putrefaction of organic matter under anaerobic conditions in stagnant or standing bodies of water. Also known as sapropelite.
随便看	steel wool steelyard steen Steenrod algebra Steenrod squares steepest descent method steeple steerable antenna steerage steerageway steering steering arm steering brake steering compass steering engine steering gear steering level steering repeater steering wheel Stefan-Boltzmann constant Stefan-Boltzmann law Stefan number Stefan's formula Stefan's law of radiation Steffen process

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