问题补充：
杭州湾跨海大桥的英语简介,简单短小一点,谢谢 英语
答案：
【答案】 Brief Introduclion to Hangzhou Bay Cross-sea Bridge
With a total length of 36km and bridge length 35.7km Hangzhou Bay Cross-sea Bridge is a two-way expressway with 3 lanes each and has one navigating arches in the north and south respectively.The bridge boasts designed speed of 100km per hour and service period over 100 years with total investment plus 10.7 billion yuan.Occupying 448 meters main span,north arch of the bridge is a steel stayed-cable bridge with double towers and chains,while the south arch is the one with single tower and chain.Standard navigating capacity of the north is 35,000 tons and that of the south is 3,000tons(scc picture).
