高海拔冻土区通风管路基管内风速及影响因素研究
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Characteristics and influence factors of wind speed in ventilation duct of ventilation duct embankment in high altitude permafrost regions
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图7. 不同环境风速下通风管外伸长度与管内风速关系曲线 |
Fig.7. Extension length of ventilation duct vs. wind speeds in ventilation duct under different environment wind speed |
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