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正在《三国演义》民渡之战中，曹操大年夜军战袁绍大年夜军两边堕进对峙状况，此时袁军有稳定粮草供应 ，而曹军却易觉得继，曹操遂决定经由过程偷袭乌巢，放水烧粮草，而断掉降了袁绍的粮草补给，战局得以顺转
。由此也