Helix Nebula(NGC 7293)【天】;spiral nebula【天】
【医】 耳蜗螺旋韧带
spiral ligament of cochlea
暂无补充释义。
相关词条
relational spiral
spiral joints
insulator with spiral arcing horns
Sshachowa spiral tube
generating crown gear, spiral toothing planning
outer spiral bundies
spiral groove