论文部分内容阅读
建国以来,我国共建成水库8万多座,其中大中型约3000座,总库容4000多亿 m~3;建成万亩以上灌区5000多处,有效灌溉面积达5000万 hm~2;建成各类水电站万余座,装机容量4000多万 kW,年发电量1500多亿 kW·h;新建和整修各类堤防共24.5万 km,其中主要堤防长度6万 km;修建水闸30730座,以及机井,泵站等其它水利工程。这些水利工程规模
Since the founding of the People’s Republic, a total of more than 80,000 reservoirs have been built in our country, of which about 3,000 are large and medium-sized, with a total storage capacity of over 400 billion m 3. Over 5,000 mu of irrigated areas have been built and the effective irrigation area has reached 50 million hm 2. More than 40,000 hydropower stations, with an installed capacity of more than 40 million kW and an annual generating capacity of more than 150 billion kW · h; a total of 245,000 km of new and reconstructed embankments, of which the length of major embankments is 60,000 km; 30730 sluices, Station and other water conservancy projects. These hydraulic projects scale