Small white pieces of debris, material that could be metallic and signs of oil and kerosene, which is used as jet fuel, were also seen.
可以看到小块白色碎片、金属材料，还有被用作飞机燃料的石油和煤油。
2
In our design, the reactor's nuclear fuel would be in a configuration where layers of metallic sheets are penetrated by numerous small holes and then formed into a cylinder.
在我们的设计中，反应堆的核燃料放置入下列结构，其中数层金属薄板，上面打有许多小孔，形成一个汽缸。
3
The results have testified that fuel gas flow will considerably affect the wear resistance of the metallic card cloth.