男女邪恶动态图791期:请您帮我分析一下句子的结构成分！谢谢

It (主语)serves（谓语） as
the mount for the lifting drive with pedestal bearings for the drive shaft

and the guide roller units to guide and stabilize the wheel deck.
整个句子结构是it serves as the mount..and the guide roller units..

It (主语)serves（谓语） as
the mount for the lifting drive with pedestal bearings for the drive shaft

and the guide roller units to guide and stabilize the wheel deck.
整个句子结构是it serves as the mount..and the guide roller units..

It serves as [[the mount for the lifting drive with pedestal bearings for the drive shaft and the guide roller units to guide and stabilize the wheel deck.]]宾语从句.

the mount (for the lifting) drive (with pedestal bearings) for the drive shaft and the guide roller units to guide and stabilize the wheel deck ()内为修饰语.

句子结构为：the mount drive for A and B to do sth

It serves as the mount 是句子的主干，其余全是修饰语。
to guide and stabilize the wheel deck是修饰the guide roller units ，
for the drive shaft and the guide roller units 是修饰pedestal bearings ，
with pedestal bearings deck是修饰the lifting drive ，
the lifting drive是修饰 the mount