power frequency testing transformer

常見例句

雙語例句

• The testing voltage of the secondary winding of transformer has to be 80% stipulated testing voltage while repeated power frequency voltage with-stand test needed.
  互感器一次繞組的重復(fù)工頻耐壓試驗(yàn)應(yīng)在規(guī)定試驗(yàn)電壓值的80%下進(jìn)行。
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