天际倾沧海，塞上引黄河。滔滔奔势，沃野千里种青禾。漠漠田园灌溉，漫漫风沙浸润，利泽逐年858b91c9840897ae4daca408339e47310d563a8fee2f7466369ea966dfc96ba8多。追忆前人迹，开凿讯如何。  分水闸，溢（试读）...