A bituminous material, such as asphalt, used to pave roads.
沥青，柏油一种含沥青物质，如沥青，用于铺路
lignite - tar pitch
褐煤柏油脂, 褐煤硬沥青
cover with tar or asphalt, of roads.
用沥青或柏油覆盖路面。
kettle ,asphalt- pitch- or tar-heating wheeled
柏油、沥青、焦油加热锅,带轮
To pave with a bituminous material.
柏油路用含沥青的物质铺路
a tarred road, rope, roof
铺柏油的路、 涂焦油的绳子、 涂沥青的屋顶.
Exports: Asphalt, bitumen, petroleum products, metals, electricity, oil, vegetables, fruits and tobacco.
主要出口产品：沥青（）柏油成品、油产品、属、力、类、菜、果和烟草。
tarred roofing felt
油毛毡, 沥青纸板
testing method for creosote oil, prepared tar and tar pitch
杂酚油、加工焦油及沥青
Therefore, the top layer was bound together more firmly by mixing the crushed rock with tar or asphalt. Millions of kilometers of roads throughout the world today have this kind of surface.
因此，路面常用碎合柏油或者沥青来加固。今天，世界各地成百上千万公里的公路都是这种路面。
floor covering with a base of paper or paperboard impregnated with asphalt, bitumen or similar substances, whether or not cut to size
铺地用品,以纸或纸板,浸有柏油、沥青或类似物质,不论是否已裁定尺寸
Centre for Heavy Crude and Tar Sands
重质原油和沥青砂中心
Asphalt used in roofing
GB/T494-1998建筑石油沥青
Asphalt--Sampling method
GB/T11147-1989石油沥青取样法
petrolwum tar sand
含石油沥青的岩石或砂
cutback asphalt
溶于石油(馏出物)的沥青
tar-macadam plant
焦油沥青碎石拌制机
Asphalt Residual Treating process
沥青渣油预处理过程