The results show that proper additives can effectively improve the crack condition by maintaining the original gradation level of materials.
研究表明，在保持道路材料原有级配的情况下，掺入适量外加材料可有效改善路面裂缝状况。
The results show that proper additives can effectively improve the crack condition by maintaining the original gradation level of materials.
研究表明，在保持道路材料原有级配的情况下，掺入适量外加材料可有效改善路面裂缝状况。
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