... reversed polarity 反极性 ; 反极性连接 ; 反接 ; 极性反接 Reverse Polarity 极性反接 ; 逆极性 ; 逆偏振 ; 反极性 Polarity Molecules 极性分子 ...
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... Polarity Molecules 极性分子 negative polarity 逆极性 ; 负极性 molecular polarity 分子极性 ...
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极性逆转 reversal of polarity
单极性逆变 unipolar inverter
太阳极性倒逆 solar polarity reversal
氧化物阴极可逆性中毒 reversible poisoning of oxide cathode
所有与LED装置硬连线的连接须采取逆极性的保护，在这些连接被扭转或缩短的安装过程中，须提供高压保护。
All hardwired connections to LED fixtures shall be reverse polarity protected and provide high voltage protection in the event connections are reversed or shorted during the installation process.
提出采用大功率IGBT设计变极性脉冲MIG焊双逆变弧焊电源。
The high-power IGBTs are adopted to design the dual inverter arc-welding power source for variable polarity pulse MIG welding.
弧焊电源一次逆变控制电流快速动态过程，二次逆变控制电弧极性。
Dynamic process of current is controlled quickly by the first inverter, and arc polarity is controlled by the second inverter of arc welding power source.
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