土方量计算有多种算法。
方格网法是工程土方量计算中应用最为普遍的一种方法。
Square grid is a common method used to estimate earthwork quantity.
渠道断面填挖面积计算是渠道设计中的填挖土方量计算的基础工作。
The calculation about the area of filling-in and excavation of canal cross section is the basic work in earth volume of the canal designing.
应用推荐