單項(xiàng)選擇題
A.電阻 B.電抗 C.阻抗 D.長(zhǎng)度
A.0.2 B.0.5 C.0.8 D.1
A.斷路器開(kāi)關(guān) B.電源側(cè)隔離開(kāi)關(guān) C.負(fù)荷側(cè)隔離開(kāi)關(guān) D.任意開(kāi)關(guān)