应美国内政部、垦务局的邀请,我们一行三人于1985年9月23日抵达美国,参加了美国1985年水电会议和胡佛大坝50周年纪念活动,与美国工程界进行了较广泛的接触,并考察了1985年元月通航的田纳西—汤姆别格比运河和正在施工的上静水碾压混凝土坝工地等处,于10月9日回国。现将有关情况择要介绍于后。 At the invitation of the U.S. Department of the Interior and the Bureau of Reclamation, our delegation of three arrived in the United States on September 23, 1985 and took part in the commemoration of the 1985 US Hydro Conference and the 50th anniversary of the Hoover Dam. It has been conducted with the American engineering community And inspected the Tennessee-Tom Beagle Canal, which was opened in January 1985, and the site where the upper-water static-pressure RCC dam was being constructed, etc., and returned to China on October 9. Now the situation to be introduced in the later choice.