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高海拔冻土区通风管路基管内风速及影响因素研究
宋正民1,2(), 穆彦虎2(), 马巍2, 俞祁浩2, 栗晓林2
Characteristics and influence factors of wind speed in ventilation duct of ventilation duct embankment in high altitude permafrost regions
Zhengmin SONG1,2(), Yanhu MU2(), Wei MA2, Qihao YU2, Xiaolin LI2

图9. 不同通风管外伸长度下管口流线示意图

Fig.9. Schematic diagram of streamline under different ventilation duct extension lengths of 0 m (a), 1.6 m (b) and 2.6 m (c)