短語詞組短語magnet moving coil galvanometer 永磁動圈式檢流計magnet exciting coil 勵磁線圈magnet t coil 電磁鉄線圈;勵磁線圈permanent magnet moving coil instrument 永磁動圈式儀表permanent magnet moving coil galvanometer 永磁動圈式檢流計permanent magnet moving coil meter 永磁動圈式儀表permanent -magnet-coil instrument 永磁動圈式儀表series magnet coil 串聯(lián)磁化線圈magnet polarizing oscillation coil 偏磁振蕩線圈 返回 magnet coil