采用冲压模具实现了管材螺旋槽成形。
为此，改为非接触式螺旋槽机械密封。
So that the seal was changed for non-contacted type spiral slot mechanical seal.
还对螺旋槽止推轴承的性能进行了研究。
In addition, the performance of spiral grooved thrust bearings has been studied.
螺旋槽锯齿翅片管是一种新型高效冷凝换热管。
Spirally corrugated and sawtooth-shaped fin tube is a high performance condensation heat transfer tube.
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。
The heat transfer characteristic of spiral-grooved pipe and its application result are introduced.
应用推荐