The cross-sectionaldimension and taper are the most important data in the design of the mould.
结晶器是连铸机中一个非常关键的设备，结晶器的断面尺寸和锥度是结晶器设计中最重要的参数。
2
Lumber is grouped into different categories such as: dimension lumber, boards, and timbers based on the following cross-sectional dimensions.
锯材分为不同的类别，如：基于以下断面尺寸有规格材、板材和方木。
3
In order to avoid a singular solution, we keep the dimension of the truss for a given topology unchanged by giving the truss member to be removed a tiny cross-sectional area.