This scenario would also apply to the situation of using irrigation waters from a farmdam to provide power because the water level, and therefore the Gross Head, would vary enormously.
这种情况也适用于使用情况从一个农场水坝提供灌溉用水的权力，因为水位，因此，在总团长，将大相径庭。
2
In the current surge of urbanisation and dam building, billions of tonnes of concrete have been poured onto farm fields and into rivers.
目前城市化进程汹涌、修筑水坝令数亿吨混凝土灌注到农场上、倾泻到江河里；
3
But dam by dam, mine by mine, farm by farm and city by city it is remaking the Earth before your eyes.