三角窗 meaning in English

quarter window
triangular window

Taking triangular - windows of car seal for an example in the article , in combination with the feature of car seal of reverse engineering and the theory of change of coordinate , the software of reverse engineering was adopted to realize alignment between the cloud data and section data of car seal
以汽车密封条三角窗产品为例，结合汽车密封条产品逆向工程的特点和坐标变换的理论，利用逆向软件，实现了汽车密封条点云数据与截面数据的对齐。