The large-scale honeycomb structure, an important component of the last stage fuel tank of launch vehicles, is composed of the honeycomb sandwich and thin aluminum alloy sheets with ellipsoid shape.

• 大型蜂窝共底构件是液体运载火箭末级推进剂箱的一个关键部件，它是由蜂窝夹芯复合材料和上、下薄铝合金蒙皮粘接固化而成的。