The cement fly ash is a base course material for pavement that has the advantage of both cement and fly ash stabilized granular.
水泥粉煤灰路面基层是一种兼有水泥和二灰稳定粒料优点的路面基层材料。
The cement fly ash is a base course material for pavement that has the advantage of both cement and fly ash stabilized granular.
水泥粉煤灰路面基层是一种兼有水泥和二灰稳定粒料优点的路面基层材料。
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