用哪几个指标来评定矿井通风系统的好坏,一直是不少同志在探索的问题,至今仍无定论。矿井通风系统包括三个方面的内容,即(1)扇风机(或自然风压);(2)由井巷连成的通风网路;(3)风流的控制设施。无疑对通风系统的评定也要着眼于这 It is still inconclusive that there are still many issues that the comrades are exploring. Mine ventilation system includes three aspects, namely: (1) fans (or natural wind pressure); (2) ventilation network connected by the shaft; (3) wind flow control facilities. There is no doubt that the assessment of the ventilation system should also focus on this