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矿井通风网路中对角巷道风流稳定性问题是生产矿井经常遇到的一个现实问题,也是矿井通风理论研究中的一个重要课题,很值得进一步深入研究和讨论。马鞍山矿山研究院程厉生同志在本期发表了《矿井内具有分支风流的角联通风网路
Ventilation stability of diagonal roadway in mine ventilation network is a realistic problem often encountered in mine production and an important issue in the study of mine ventilation theory. It is worth further study and discussion. Ma Lushan Institute of Mining Cheng Lionsheng commented in this issue that "there are branches in the mine Merry Corner of the ventilation network