This tunnel is, in substance, a simple air flow bench with necessary test devices offering various controlled streams for experiments.
这种风洞实质上是一种简单的气流试验台，它通过配套的设备能为实验提供各种可控制的气流。
Based on a mathematical model of air flow and gas migration in working face, the similitude criteria for model test has been deduced, on which the test bench design depends.
本文从采场风流流动及瓦斯运移数学模型导出模型实验的相似准则，指导实验台设计。
Based on a mathematical model of air flow and gas migration in working face, the similitude criteria for model test has been deduced, on which the test bench design depends.
本文从采场风流流动及瓦斯运移数学模型导出模型实验的相似准则，指导实验台设计。
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