It has only got a tiny electric engine.

只剩下一个很小的电动发动机。

Instead it has an electric engine that can propel the car 40 miles on one charge.

取而代之的是一个充电一次能驱动汽车40英里的电机。

In queues, the car's electric engine shuts down before restarting when the car moves again.

在行车队列中，电动引擎在汽车重新启动之前可以关闭。

It also does not need an electric engine, which makes the vehicle much more cost efficient.

它也并不需要的电动发动机，使车辆更具成本效率。

Erect the electric engine on the supporting foundation, make the output end face down, and suspend.

将电机直立在支座上，使机轴输出端向下，且悬空。