Regeneration aggregate can substitute natural aggregate and be used for highway base and subbase aggregate.

得出再生集料可以替代天然集料用于高等级公路基层和底基层的结论。

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Regeneration aggregate can substitute natural aggregate and be used for highway base and subbase aggregate.

得出再生集料可以替代天然集料用于高等级公路基层和底基层的结论。

youdao