separated body and frame是什么意思

用法例句

A new frame autobody is made up of frame and bo dy skin,which has such a dvantages as:reducing the cost of mould making,shortening the period of developm ent and lightening weight.

新型骨架式车身主要由骨架和蒙皮组成 ,它具有减少模具制造成本、缩短开发周期、减轻质量等优点。