由于其出色的抗裂纹增长能力，它已经成为房屋连接的一个长久的解决方案。
Due to their outstanding resistance to crack growth they are an ongoing solution for house connections.
对齐鲁PE100级燃气管专用料DGDB2480HBK的力学性能、耐慢速裂纹增长性能、熔体强度等进行了研究与分析。
Studies and analyzes mechanical property, creep crack propagation resistance and melt strength of Qilu PE100 gas pipe speciality resin DGDB2480HBK.
前言： 通过分析2003版与1995版国家标准《燃气用埋地聚乙烯管材》，介绍了2003版标准中新增的耐快速裂纹扩展和耐慢速裂纹增长两项重要性能。
The national standard of GB 1555B. 1 "Buried Polyethylene (PE) Piping Systems for the Supply of Gaseous Fuels Part 1: Pipes" of version 2003 and version 1995 were compared in this paper.
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