mainswitch

常见例句

• In addition, the mainswitch possesses the function of insulance detecting with total power network, the disrtibuting switch possesses the function of leakage current lock and one time reco...
  縂開關設置有縂電網絕緣監測;分開關設置有漏電閉鎖和一次漏電自複電功能。
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