Nanjing Yangtze River Bridge and Wuhan Yangtze River Bridge, which is the first bridge in China

Nanjing Yangtze River Bridge and Wuhan Yangtze River Bridge, which is the first bridge in China

Wuhan Yangtze River Bridge is the first Yangtze River Bridge in China
Nanjing Yangtze River Bridge is a Yangtze River bridge designed and built by Chinese people. Emotionally, it belongs to the "first bridge" in Chinese heart

Nanjing Yangtze River Bridge is 6772m long, and Wuhan Yangtze River Bridge is about one fourth of its length. How long is Wuhan Yangtze River Bridge

This question should be 1693m

A 120 meter long train passes the 880 meter long bridge at a speed of 50 km / h. how many seconds does it take for the train to get on and leave the bridge?

120 + 880 = 1000 (m) = 0.1 (km), 0.1 △ 50 = 0.002 (H), 0.002 H = 7.2 s. A: it takes 7.2 s for a train to get on the bridge and leave the bridge completely