The test equipment KM6 for airship is a large complex vacuum vessel with four elliptical shells,two cylindrical shells, a cone shell and three groups of flanges.

• KM6载人宇宙飞船整体试验舱是由四个椭球壳、两个带筋圆柱壳、一个锥壳和三组大型法兰组成的复杂大型真空容器，它分为主舱和辅舱。