If the pair of satellites gears they do not represent anything put outting itself, then buffer, executed in the form aluminum cylinder with the blue light-emitting diode illumination - thing uncommon.

• 如果对卫星齿轮他们并不代表任何把outting本身，那么缓冲区，在执行的形式铝气缸与蓝色发光二极体照明-罕见的事。