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路基本体
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路基本体
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路基本体
包括用天然土、石所填筑的基床表层、基床底层和基床以下路堤,以及在天然地层中挖出的路堑或经换填基床处理的路堑,直接支撑轨道,承受列车荷载。路基本体根据地质条件和填筑材料的不同,又可分为路堤、路堑、半路堤、半路堑、半堤半堑、不填不挖路基。
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The 13th International Symposium on the Genetics of Industrial Microorganisms
The 14th AIMAC Conference
The 15th General Assembly of ICOMOS
The 18 Decrees of the State of Qin
the 18-room metropolitan examination scoring system
The 1905 French Law on the Separation of the Churches and State
The 1911 Revolution Museum
The 2009 UNESCO Framework for Cultural Statistics
The 20th Century Grand Stage
the 21st Century Seminar on Development of Native Opera Genres of China
the 24 solar terms
The 24th Winter Olympic Games
The 28th World Heritage Committee Session (Suzhou)
The 29th Summer Olympic Games
The 2nd Summer Youth Olympic Games
the 3.0 strategy of manufacturing innovation in Republic of Korea
The 39 Steps
The 3 Rooms of Melacholia
The 400 Blows
The 400 Million
The 40 Tunes of Various Shows at the Earth God Parade Festival
the 4th International Conference of Experts on Return of Cultural Property (DunHuang)
The 50th anniversary of Mei Lanfang and Zhou Xinfang's stage life
the 72 camps of the rebel troops
The 7:84 Theatre Company
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更新时间:2026/9/25 14:41:57