An electric transformer changes the alternating voltage applied to it in proportion to the Numbers of turns in its primary and secondary windings.
变压器其交变电压的改变与初级线圈及其次级线圈的匝数成正比。
An electric transformer changes the alternating voltage applied to it in proportion to the Numbers of turns in its primary and secondary windings.
变压器其交变电压的改变与初级线圈及其次级线圈的匝数成正比。
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