Purpose To develop heavy traffic road asphalt of stable quality.
目的开发质量稳定的重交通道路沥青。
It is inconvenient for the producer and consumer because there isn't always, any formal standard of heavy traffic road asphalt.
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。
Test shows that all properties have attained the current indexes of our country about asphalt for heavy traffic road.
经测试表明，各项性能均达到我国现行重交通道路沥青技术指标。
Recent years along with the increase of the heavy-traffic, the premature failure phenomenon of superhighway's asphalt road-surface is more general.
近年来随着重交通的增加，高速公路沥青路面过早损坏现象比较普遍。
Recent years along with the increase of the heavy-traffic, the premature failure phenomenon of superhighway's asphalt road-surface is more general.
近年来随着重交通的增加，高速公路沥青路面过早损坏现象比较普遍。
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