RIGIDITY AND STABILITY OF LARGE SPAN HIGH SPEED RAILWAY CABLE STAYED BRIDGE WITH HYBRID PC-BOX GIRDER STIFFENED BY STEEL TRUSS是什么意思_RIGIDITY AND STABILITY OF LARGE SPAN HIGH SPEED RAILWAY CABLE STAYED BRIDGE WITH HYBRID PC-BOX GIRDER STIFFENED BY STEEL TRUSS在线翻译_英语_读音_用法_例句