From Austria: For the first time, engineers executed a new bridge-building technique with two vertical girders, erecting them upward before unfurling the span like an umbrella.

来自奥地利：工程师们首次采用了一种新的桥梁建造技术， 使用两根垂直的大梁， 将它们向上竖立起来， 然后像一把伞一样展开跨度。