这会确保如果交流汇流条没有电的情况下电瓶会自动向备用汇流条供电。

This makes sure the battery will automatically supply power to the standby buses if the ac buses have no power.

youdao

这会确保如果交流汇流条没有电的情况下电瓶会自动向备用汇流条供电。

This makes sure the battery will automatically supply power to the standby buses if the ac buses have no power.

youdao