资讯

National Geographic news4 年
An Elevator for 3,000-Ton Ships, Thanks to Archimedes
The Three Gorges Dam, China’s marvel on the Yangtze River, is one of the world’s largest engineering projects—the product of 37 million cubic yards of concrete. Its final feature ...
朝日新聞社4 年
Water levels at China’s Three Gorges near maximum after flooding rains
SHANGHAI--Water levels at China’s giant Three Gorges Dam on the Yangtze river are inching closer to their maximum after torrential rains raised inflows to a record high, official data showed on ...