铝电解电容器是有极性的，不应加反向电压或交流电压。

Aluminum electrolytic capacitors are polar. Make sure that no reverse voltage or ac voltage is applied to the capacitors.

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铝电解电容器是有极性的，不应加反向电压或交流电压。

Aluminum electrolytic capacitors are polar. Make sure that no reverse voltage or ac voltage is applied to the capacitors.

youdao