短語詞組短語mutual -inductor 互感;互感器metric -electric current mutual-inductor 儀用電流互感器standard mutual inductor 標(biāo)準(zhǔn)互感器current mutual inductor 電流互感器mutual inductor ratios 互感器變比mutual inductor calibration 互感器檢定residual current mutual inductor 賸餘電流互感器 返回 mutual inductor