rotating circular disk [机] 旋转圆盘
circular disk reflector 圆盘形反射器
circular disk crack 圆饼状裂纹
circular disk source 圆板光源
circular disk grounding device 圆盘接地器
circular disk saw 圆盘锯机
circular disk system 圆盘系统
A compact disk is a shiny, circular disk that stores information.
阿光盘是一种光泽，圆盘，储存的信息。
Circular disk was rotating about an axis tilted from the normal through the center.
圆盘绕一个通过中心与法线方向倾斜的轴转动。
This flat circular disk is our own Galaxy, the Milky Way, with its spiral structure.
这个圆盘就是我们的星系，银河系，带着旋涡的结构。
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