mainswitch

常見例句

• 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...
  總開關設置有總電網(wǎng)絕緣監(jiān)測;分開關設置有漏電閉鎖和一次漏電自復電功能。
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