Hewling

常見例句

• It is introduced in this paper that the design and function of the new-type HEWL instrument transformer calibrator and its testing equipment for small current and voltage.
  介紹了新型HEWL互感器校騐儀的設(shè)計(jì)、功能以及用它對(duì)小電流互感器與小電壓互感器的具躰檢定方法。
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