英语语法分析

This one here is a forecarriage of leading RA-2 car; made of plastic.

这个是RA - 2车头的头盖，是塑料制成的。

Not whole body of a modern subway car is made of metal. This one here is a forecarriage of leading RA-2 car; made of plastic.

现代地铁车厢并非全身都是金属组成。这个是RA - 2车头的头盖，是塑料制成的。