Preparing a new textbook at the Beiijng Oil Instutute in 1960 1960年工业经济系师生结合编写教材,图为华泽澎为56级同学讲解有关内容 Source Share this:TweetShare on Tumblr Click to share on Reddit (Opens in new window) Reddit Pocket Click to email a link to a friend (Opens in new window) Email Like Loading... Comments are closed.