The spiral groove of pipe is formed by press die.
采用冲压模具实现了管材螺旋槽成形。
The heat transfer characteristic of spiral-grooved pipe and its application result are introduced.
分析了螺旋槽管强化传热等特性，并介绍了应用效果。
The heat transfer characteristic of spiral-grooved pipe and its application result are introduced.
分析了螺旋槽管强化传热等特性，并介绍了应用效果。
应用推荐