Based on surrounding environment, traffic requirement and construction experience, authors use horizontal freezing method to reinforce soil and mine method to excavate tunnel.
2
分析了支线民航机一种新型亚音速带有腔室旁通道的进气道的几何形状设计和气动试验结果。
The intake with plenum bypass is a new type subsonic intake for civil medium range aircraft.
3
分析了支线民航机一种新型亚音速带有腔室旁通道的进气道的几何形状设计和气动试验结果。
The intake with plenum bypass is a new type subsonic intake for civil medium range aircraft. Its geometry is considered.