我国江河众多,湖泊星罗,水资源十分丰富,为发展航运、灌溉提供了非常有利的条件。水上交通比陆地运输经济而省力,今日固然如此,古代尤为明显。早在几千年以前,我们的祖先在与旱涝奋斗的过程中,逐步修建了规模巨大的堤防与遍布全国的灌渠河道。在这众多的水利工程中,灵渠的开凿最能充分地显示出我国古代勤奋的先民在水利建设方面的才华。灵渠规模浩大,曾 There are many rivers and lakes in our country, and the water resources are very rich, which provide very favorable conditions for the development of shipping and irrigation. Water transport is economical and labor-saving than land transport, which is true today, especially in ancient times. As early as thousands of years ago, our ancestors gradually built large-scale embankments and irrigated canals along the entire country in their struggle against drought and flood. Among these numerous water conservancy projects, the excavation of the canal can most fully show the talent of the ancient diligent pioneers in water conservancy construction. Lingqu large-scale, once