1．Which of the following factors will not affect the charging speed of electric vehicles?
the capability of the incoming electricity supply
the power safety rating of the cable, plug or on-board charger
the size of the battery being filled
the engine temperature
2．The majority of countries designate single phase for domestic use and 3-phase for industrial use.
对
错
3．on-board charger
车载诊断系统
车载充电器
车载机油泵
车载汽油泵
