The results of comparison and evaluation indicate that the new technology of high density open cell polyurethane field joints coating excel the traditional asphalt mastic field joints coating in the aspects of technical performance, economical efficiency and so on.

  • 对比评价结果表明,高密度开孔聚氨酯补口新技术在技术性能及经济性等方面均优于传统的沥青玛蹄脂补口技术。

  • 互联网摘选 2025-01-19 23:23:49

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