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本文在分析研究管道流导的基础上，设计和建立了其测试系统，对圆形管道的流导进行了测试和计算，并验证了该测试系统的可靠性。
Based on the analysis of the pipe flow guide, this paper designs and sets up the test system, tests and calculates the conductance of the circular pipe, and verifies the reliability of the test system.