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2007年7月27日,水利部、劳动和社会保障部、中华全国总工会联合发出“关于举行第四届全国水文勘测工大赛的
On July 27, 2007, the Ministry of Water Resources, the Ministry of Labor and Social Security and the All-China Federation of Trade Unions jointly issued the ”Proposal on Holding the Fourth National Hydrographic Surveyors Competition