GB/T 15819-2006
ActivePolyethylene (PE) pipes for irrigation laterals - Susceptibility to envionmental stress cracking induced by insert-type fittings - Test method and specification
灌溉用聚乙烯(PE)管材由插入式管件引起环境应力开裂敏感性的试验方法和技术要求
灌溉用聚乙烯(PE)管材由插入式管件引起环境应力开裂敏感性的试验方法和技术要求