这是因为选择了安全的固有优势，顺利功率传输和操作的能力在一个主电源故障正常。

This was chosen due to the inherent advantages of safety, smooth power delivery and the ability to operate normally during a mains power failure.

youdao

这是因为选择了安全的固有优势，顺利功率传输和操作的能力在一个主电源故障正常。

This was chosen due to the inherent advantages of safety, smooth power delivery and the ability to operate normally during a mains power failure.

youdao