The Jincheng River hydroelectric equipment factory in 1973 Guangxi 1973年魏守平在广西金城江水电设备厂进行集成电路型水轮机调速器出厂试验 Source AdvertisementShare this:TweetShare on TumblrPocketEmailLike this:Like Loading... Comments are closed.
Everyday Life in Mao's China 