structural chemistry短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 结构化学 According to the hierarchy of coal, coal structural/span> chemistry includes molecular structural chemistry of coal, supramolecular structural chemistry of coal and aggregate structural chemistry of coal. 根据煤的层次结构特征，煤结构化学可分为煤分子、煤超分子和煤聚集态结构化学。 cnki