一九五○年全国水利春修工程,一共完成了三六五、○○○、○○○立方公尺土方,如果把这些土方,筑成高与厚各一公尺的堤,连接起来,那么这条堤可以环绕地球九·一周。其中最主要的为防洪工程,全国各区计划与完成土方数量如下:(单位:万公方) In 1950, the nationwide water conservancy project for spring repairs completed a total of 3656,000,000 cubic meters of earthwork. If these earthworks were constructed in high and thick one meter dike, Then this bank can surround the earth for nine weeks. Among them, the most important ones are flood control projects. The number of earthworks planned and completed in various districts of the country are as follows: (Unit: 10,000 square meters)