asphaltumn.地沥青asphaltn.沥青；柏油v.用沥青铺路asphaltene fraction分离asphalt roadsurface沥青路面asphalt consumption沥青用量asphalt distributor沥青铺洒机,沥青洒布车asphalt finish coat沥青罩面层asphalt mixer plant沥青拌和设备asphalt bridge deck沥青桥面铺装asphalt heating pot沥青锅asphalt cord filler沥青麻绳填料asphalt plank floor沥青木地板