在交通拥堵的城市地区，可由电机天真驱动，成功实现零排放。

Traffic congestion in the urban areas, but by motor naive drive, achieve zero emissions.

youdao

在交通拥堵的城市地区，可由电机天真驱动，成功实现零排放。

Traffic congestion in the urban areas, but by motor naive drive, achieve zero emissions.

youdao