Klein Bottle House克莱因瓶住宅;设计欣赏
Klein bottle polyhex二部克莱茵瓶六角系统
the klein bottle克莱因瓶
N(名词) a surface formed by inserting the smaller end of an open tapered tube through the surface of the tube and making this end contiguous with the other end 克莱因瓶 [maths]