Question

銀川平原和河西走廊都是當?shù)刂匾�的農(nóng)業(yè)區(qū)，它們的灌溉水源有什么不同？
                                                                                                                                                                
                                                                                                                                                                

Answer 1

提示：銀川平原的灌溉水源是黃河水；河西走廊的灌溉水源是祁連山的冰雪融水。