The essay introduces here a type of star-gear cake crusher, composed of an upper coarse breaker and a lower fine breaker.
介绍了一种星轮滤饼破碎机，该破碎机由上面的粗破装置和下方的细破装置组成。
2
NASA said the crew had sent down video and photographs of a small star-shaped gear with two broken teeth.Experts were trying to determine whether it was related to the problem.
NASA说乘员已经下传了有关一个断了两个齿的小型星型齿轮的视频和图像。
3
NASA said the crew had sent down video and photographs of a small star-shaped gear with two broken teeth. Experts were trying to determine whether it was related to the problem.