Question 31: Can the present situation of Hongqiao comprehensive communication hub such as population roads, construction density, water body/water conservancy, sewage system, rain water system, urban communications system, cultural relic protection, wate

可否给出《征集文件》中涉及的虹桥综合交通枢纽的现状情况，诸如人口、道路、建筑密度、水体/水利，污水系统、雨水系统、城市通信系统、文物保护、水电煤气等等？