In this paper, based on CPM method, a regulating and calculating method of pressure is given on a branch junction head in the mine ventilation network in accordance with graphic theory.
本文以关键线路法为基础，根据图论理论，给出一种支路节点压力通风网络调节计算方法。
The model can lend itself in the mine ventilation network of the different forms and scales and provides an effective way for quantitative analysis of the reliability of ventilation network.
该模型适应不同形式、不同规模的矿井通风网路，为定量分析通风网路的可靠性提供了一种有效方法。
Ventilation network graph is one kind of important graphic document of the mine ventilation management.
通风网络图是矿井通风管理的一种重要图件。
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