Helix Nebula(NGC 7293)【天】;spiral nebula【天】
螺旋器
spiral organ, organ of Corti
又称“科尔蒂器”。
相关词条
spiral
relational spiral
insulator with spiral arcing horns
hamulus of spiral lamina
generating crown gear， spiral toothing planning
lamina spiralis ossea【解剖】;osseous spiral lamina【解剖】
spiral slide fastener made of wire spiral