公铁两用斜拉桥斜桁平行四边形闭口截面弦杆受力机理研究
공철량용사랍교사항평행사변형폐구절면현간수력궤리연구
Study of Mechanical Mechanism of Parallelogram Closed Section Chords of Inclined Truss of Rail-cum-Road Cable-Stayed Bridge
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