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根据涂刷涂抹剂的建筑外墙砂浆的结构和砂浆表面粉末的x－射线衍射测试结果，从理论上分析了涂抹剂抗酸雨侵蚀的机理。
Based on the structure of mortar coating and the x-ray diffraction test results of powder on the surface of mortar, the mechanism of acid rain erosion resistance of the coating agent was analyzed theoretically.