由于重交通道路沥青一直没有正式标准，这给生产厂家及应用带来不便。
It is inconvenient for the producer and consumer because there isn't always, any formal standard of heavy traffic road asphalt.
应用辽化炼油厂的减压渣油作为原料，研制出符合GB/T15180 94标准的多个牌号重交通道路沥青。
By using vacuum residue from Liaohua refinery as the raw material, several brand heavy paving asphalts have been produced, which meet GB/T15180-94 standard.
道路：干支路宽16-12米之间，均按国家二级公路以上标准设计施工，路面为沥青砼。
Road : the main bituminous roads, 12m-16m wide, are all constructed according to the National Class II Standard.
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