asphaltumn.地沥青
asphaltn.沥青;柏油v.用沥青铺路
asphalt mixing plant沥青混合料搅拌设备
asphalt pavement rut沥青路面车辙
asphalt felt factory沥青油毡厂
asphalt adding layer沥青加铺层
asphalt viscosimeter沥青粘度计
asphalt paving plant沥青铺料机
asphalt coated paper沥青涂布纸
asphalt seal subcoat沥青下封层
asphalt extensimeter沥青伸长计