step down turns ratio 中文意思是什麼
step down turns ratio
解釋
降壓匝數比-
A step-down transformer has a turns ratio less than 1.
降壓變壓器的匝數比小於1。 -
A step - down transformer has a turns ratio less than 1
降壓變壓器的匝數比小於1 。
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