By simulating of melts flow in the die for two type of multi-lumen precise medical catheters, distribution of velocity at the exit of die were obtained.
介绍了较佳的多腔精密医用导管机头结构，并对两类典型多腔精密医用导管的机头定型段流场进行了数值模拟分析，获得了出口截面上的速度分布图。
Limit location pole was designed complementally, which played an important role in the normal work of the die and the material flow inside the workpiece.
补充设计了限位柱，对于模具的正常工作和工件内部的材料流动起到了重要的作用。
The large flow and high response proportional throttle valve is one of the most important content in the high performance Die Casting Machine.
应用于压铸机的大流量高响应节流阀是实现高性能压铸机的一项重要研究内容。
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