Among the treating agents are bituminous binders, Portland cement, and a variety of chemicals including calcium and sodium chloride, lime, and several organic compounds.

  • 常用的外加剂有:沥青材料,普通硅酸盐水泥,以及各种各样的化合物,如:氯化钙、氯化钠、石灰和有机质。

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