The paper had carried on the basic performance test on each system of tunnel ventilation physical model.

对隧道通风物理模型各系统进行基本性能测试试验。

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Hence, flexible pipe ventilation technique is developed and tested in the No. 24 tunnel of a water engineering some of the test results are introduced in this paper.

因此，中国铁道建筑总公司组织石家庄铁道学院、铁十五工程局有关科研人员，在“引大入秦”工程24号隧洞开展软管通风技术的研究和试验。本文是该课题的部分测试结果。

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Hence, flexible pipe ventilation technique is developed and tested in the No. 24 tunnel of a water engineering some of the test results are introduced in this paper.

因此，中国铁道建筑总公司组织石家庄铁道学院、铁十五工程局有关科研人员，在“引大入秦”工程24号隧洞开展软管通风技术的研究和试验。本文是该课题的部分测试结果。

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