Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  N'afọ 1968, Hu wepụtara onwe ya maka ọrụ ya na Gansu ma rụọ ọrụ na owuwu nke Liujiaxia Hydroelectric Station ma na-ejikwa ihe omume CPC maka ngalaba mpaghara nke Ministry of Water Resources and Electric Power. Site na 1969 ruo 1974, ọ rụrụ ọrụ maka Sinohydro Engineering Bureau dị ka injinia.  Ajụjụ: Gịnị bụ ọrụ Hu na Sinohydro Engineering Bureau?
onye injinia