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。
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.
使用五孔探针在模拟实验台上进行旋流燃烧器出口流场的测试，得到了较完整的旋流流场速度分布图，取得了一定的应用五孔探针进行复杂流场测试的经验。
The flow field in gas burner's outport is measured by the five-hole probe. Reasonable velocity information was obtained in the experiment and gained some experience in applying the five-hole probe.
使用五孔探针在模拟实验台上进行旋流燃烧器出口流场的测试，得到了较完整的旋流流场速度分布图，取得了一定的应用五孔探针进行复杂流场测试的经验。
The flow field in gas burner's outport is measured by the five-hole probe. Reasonable velocity information was obtained in the experiment and gained some experience in applying the five-hole probe.
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