Raw materials for the production of SBR modified asphalt sheet are cheap and easy to get. This sheet is anew type of waterproofing felt. It has a goo…
SBR改性沥青卷材的原材料来源充足，价格比较便宜，是改性沥青防水卷材新品种，有着良好的应用前景和明显的经济效益和社会效益。
Raw materials for the production of SBR modified asphalt sheet are cheap and easy to get. This sheet is anew type of waterproofing felt. It has a goo…
SBR改性沥青卷材的原材料来源充足，价格比较便宜，是改性沥青防水卷材新品种，有着良好的应用前景和明显的经济效益和社会效益。
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