高挥发性沥青煤
high volatile bituminous coal
高温改质煤沥青
High softening-point modified pitch
沥青高温性能
High temperature performance of asphalt
the service of asphalt in high-temperature
改性煤沥青
characteristics-improving coal pitch
环氧煤沥青涂覆层
expo-coal asphalt coatings
环氧煤沥青涂料
epoxy coal asphalt coating