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  • 聚氨酯直埋保温管的特性介绍



    聚氨酯直埋保温管的施工机能:当桥式液压浇注混凝土时,严格要求聚氨酯直埋保温管的密封机能、防渗和压缩,稍有不慎就会造成管道堵塞或管道变形。在普通焊接管的施工中,施工团

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