The man-made rivers and streams are part of an irrigation project called the Gezira scheme, which the British started in the colonial era to grow cotton for export back to Europe.
人造河流是杰济拉灌溉工程的一部分，为了在这里种植棉花出口到欧洲，殖民地时期的英国人首先发起了这项工程。
The farmland to Yamada, terraces, springs and streams through the process of building a weir made into farmland, pond for irrigation.
农田以山田，梯田为主，经由过程山泉溪流，筑堰造塘为农田停止浇灌。
Ideal for stormwater, combined effluent, raw sewage, irrigation water and streams.
理想的雨水，加上污水，未经处理的污水，灌溉用水和溪流。
Ideal for stormwater, combined effluent, raw sewage, irrigation water and streams.
理想的雨水，加上污水，未经处理的污水，灌溉用水和溪流。
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