They depict two 155 mm caliber artillery shells exploding in the air. As a result, white phosphorus ignites, leading to the appearance of characteristic white lines for this compound in the sky.
一些您可能无法访问的结果已被隐去。
显示无法访问的结果一些您可能无法访问的结果已被隐去。
显示无法访问的结果