短語詞組短語polarity -reversal horizon 極性倒轉(zhuǎn)面current -polarity-reversal switch 電流極性換向開關(guān)magnetic polarity reversal 磁極反轉(zhuǎn);地球磁場磁極的倒轉(zhuǎn)geomagnetic polarity reversal 地磁極性倒轉(zhuǎn);[地物]地磁極性反向Againest polarity reversal 極性接反保護solar polarity reversal 太陽極性倒逆polarity reversal line 極性變換線turn off polarity reversal 斷開極性翻轉(zhuǎn)polarity reversal test 極性反転試験 返回 polarity reversal