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