By 2000, there were 485 reservoirs with a total holding capacity of well over 6.716 billion cu m - 162 times and 200 times the 1949 figures, respectively. The total area of irrigated fields has been expanded to 3.388 million ha.是什么意思_By 2000, there were 485 reservoirs with a total holding capacity of well over 6.716 billion cu m - 162 times and 200 times the 1949 figures, respectively. The total area of irrigated fields has been expanded to 3.388 million ha.在线翻译_英语_读音_用法_例句