英语语法分析

At this point, the sprockets of his memory claw at a blank reel.

在这时，里斯·琼斯记忆的齿轮空转了。

At its heart is a "solar tracker" made of old bicycle sprockets, springs and rocks.

最核心的部分是一个“太阳能追踪器”，由废旧的自行车链轮齿、弹簧和石头组成的。

Remove the camshaft retaining bolt and remove the sprockets and chain as an assembly.

拆去凸轮轴固定螺栓，并拆去作为一个总成的链轮和链条。