2024-12-4 13:56| 发布者: Summer| 查看: 19| 评论: 0
表E 埋地硬质聚氨酯泡沫塑料保温集输油管道总传热系数K[W/(m2·℃)]
注：表中所列总传热系数以钢管外表面为基准传热面。
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