parallel sections meaning in English

平行断面
平行剖面

Plane irons with parallel section for reform planes
修形平行截面刨刀
In the method , a series of parallel sections are obtained by scanning a stack of moving materials , then the section area is calculated , and the volume of materials is calculated according to these sections areas and the scanning interval
该方法通过扫描移动堆料，获取堆料上一系列平等截面的轮廓线，并计算出截面面积，然后根据各截面面积和扫描间距解算出物体体积。