557.电瓶充电限制器( )的功用是( )The function of BCL is( )

　仅自动控制电瓶的充电和放电 Automatic control of battery charging and discharging only

　仅保护电瓶的短路和空气放电 To protect the battery short circuit and air discharge only

　自动控制电瓶的充电和放电,保护电瓶过热、短路和空气放电 Automatic control of battery charging and discharging ,protect the battery short circuit and air discharge

正确答案：C

解析：

电瓶充电限制器的功用是什么？题目解析：题目询问电瓶充电限制器的功能。正确答案是C，即自动控制电瓶的充电和放电，保护电瓶过热、短路和空气放电。这意味着电瓶充电限制器不仅控制充电和放电，还保护电瓶免受过热、短路和空气放电等问题的影响。

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