水车,又名天车、翻车,是古代劳动人民一项伟大发明,它的出现改变了高地无水可浇的局限,扩大了水浇地的面积,促进了农业生产的发展。新中国成立前,甘肃境内的黄河边上有三四百辆水车,构成了一道美丽的风景,兰州则被称为“水车之都”。水车,最初发明于东汉。三国时,大发明家马钧(字德衡,扶风即今陕西 Waterwheel, also known as crane, overturning, is a great invention of the ancient working people. Its emergence has changed the limitation of waterless irrigation in the highlands, expanded the area of ​​irrigated land and promoted the development of agricultural production. Before the founding of New China, there were three to four hundred water tankers along the Yellow River in Gansu, forming a beautiful landscape. Lanzhou was also called the “waterwheel capital.” Waterwheel, originally invented in the Eastern Han Dynasty. When the Three Kingdoms, the great inventor Ma Jun (the word moral balance, Fufeng now Shaanxi