短語詞組短語to reverse the polarity 變換極性reverse of polarity 轉(zhuǎn)換極性reverse -polarity corona charging compensation method 反極性電暈補償充電法Reverse polarity protected 反極保護reverse polarity armature 反極性啣鉄reverse polarity time 反極性時間Reverse Polarity Connection 反接連接Reverse polarity indicator 反極性指標 返回 reverse polarity