Power electronic transformer (PET) is a new type of transformer, which realizes voltage transformation and power delivery in the power system through power electronic conversion.
电力电子变压器(PET)是一种通过电力电子变换实现电力系统电压变换和能量传递的新型变压器。
This Hidden HT-023 Electronic pet fencing system is among the most reliable, cost-efficient pet containment systems available today.
电子狗围栏是现今最可靠,最实惠的宠物围栏系统之一。
This Hidden HT-023 Electronic pet fencing system is among the most reliable, cost-efficient pet containment systems available today.
电子狗围栏是现今最可靠,最实惠的宠物围栏系统之一。
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