本实用新型亦可作为正或负单极性半可调直流电源装置使用。

The utility model can be used as a positive or negative unipolarity half-tunable DC power supply apparatus.

youdao

本实用新型亦可作为正或负单极性半可调直流电源装置使用。

The utility model can be used as a positive or negative unipolarity half-tunable DC power supply apparatus.

youdao