由于不再需要变速箱、离合器、变速器和差速器，汽车可以呈现各种形状和尺寸。
Because a gearbox, clutch, transmission and differential unit are no longer needed, vehicles could assume all sorts of shapes and sizes.
由电动机、固定速比和差速器组成电力驱动系统。
The electric drive system consists of motor, fixed speed ratio and differential.
球铁前轮毂和差速器原采用手工造型，用外冷铁解决缩孔缺陷。
Manual molding had been used for the nodular iron front wheel boss and differential mechanism case, and chills were used to prevent shrinkage defects.
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