Comparing with conventional concrete backfill technology, the new one of concrete backfill using for embedded pre Pressure steel Pipes has some advantages such as shorter construction period, lower cost.

  • 埋藏式预压力钢管混凝土回填新技术与常规回填相比,简化了施工措施,缩短了工期,具有良好的技术经济效益。

  • 互联网摘选 2025-01-20 11:49:38

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