煤是我国的主要能源，为了合理和有效利用煤炭，应将煤化学的研究摆到重要地位。
Coal is a major source of energy in China. In order to rationally and effectively utilize coal, scientific research on coal chemistry must be put on a important position.
煤是我国的主要能源，为了合理和有效利用煤炭，应将煤化学的研究摆到重要地位。
Coal is a major source of energy in China. In order to rationally and effectively utilize coal, scientific research on coal chemistry must be put on a important position.
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