Because of different maturity and hydrocarbon expulsion, the correlation of every organic content in carbonate rock is not very clear, only bitumen "a" has a poor positive bearing on bitumen "c".
由于成熟度、排烃条件等的影响，碳酸盐岩中各种有机质含量的相关关系不明显，仅沥青a和沥青c有比较差的正相关关系。
The specified minimum VMA can assure not only the enough bitumen content, but also the stability of mixture.
规范规定的最小VMA不仅要能保证足够的沥青用量，还要能保证沥青混合料的稳定性。
The specified minimum VMA can assure not only the enough bitumen content, but also the stability of mixture.
规范规定的最小VMA不仅要能保证足够的沥青用量，还要能保证沥青混合料的稳定性。
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