When the battery capacity is large, its internal resistance is small and the error is small for the values measured by different models of voltmeter.
当电池容量大时，其内电阻小，不同类型电压表测得开路电压值的误差就小。
Usually measured with the voltmeter the voltage of lead-acid batteries, but how well representative of the whole battery.
平时用电压表测出的铅蓄电池的电压，只是代表整个电池的好坏程度。
Usually measured with the voltmeter the voltage of lead-acid batteries, but how well representative of the whole battery.
平时用电压表测出的铅蓄电池的电压，只是代表整个电池的好坏程度。
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