So does the switching power supply, which widely used in industry, trade, military aviation and so on.

开关电源具有体积小、效率高等特点，广泛应用在工业、商业、民用、军事和航空航天等领域。

youdao

So does the switching power supply, which widely used in industry, trade, military aviation and so on.

开关电源具有体积小、效率高等特点，广泛应用在工业、商业、民用、军事和航空航天等领域。

youdao