asphalt heavy traffic road 重交通道路沥青
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。
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