830220-1 電(dian)纜相(xiang)位(wei)計(ji) 低電(dian)壓運(yun)行 電(dian)池供(gong)電(dian) 測量高(gao)達(da)30kV的電(dian)壓 830220-1電(dian)纜相(xiang)位(wei)計(ji)通過彎管接(jie)頭的電(dian)容(rong)測試點(dian)，提(ti)供(gong)了地(di)下配電(dian)系(xi)統的電(dian)壓等級和相(xiang)序。大多數高(gao)電(dian)壓電(dian)纜制造商(shang)將電(dian)容(rong)測試點(dian)包含在以(yi)測試為目的的彎管接(jie)頭中。
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