vertical section

1.This illustration shows a vertical section through the locust.

本图所示为蝗虫的纵剖面。

2.Ends of the tegular filters (10) are cut off crosswise to make the end surfaces respectively form inclined surfaces such that vertical sections of the tegular filters (10) are in a rough trapezoid.

瓦状滤波器(10)的端部被斜向除以使端面分别形成斜面，从而瓦状滤波器(10)的垂直截面呈大致梯形。