... 永久性裂变产物毒物：permanent fission-product poisons 永久性接地，直接接地：solidly ground 永久性故障，长时事故(必须人工清除)：permanent fault ...
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The study results reveal shown that the ground fault current will increase with the number of main transformer with neutral to be solidly grounded.
研究结果显示，主变压器的中性点接地与否及电缆遮蔽导体与互連导体对整体的接地系统故障特性有关键性的影响。
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The U.S. dollar index was solidly lower Tuesday and mainly lost ground to a stronger Euro currency.
FORBES: P.M. Kitco Metals Roundup: Gold Ends Higher on Short Covering, Bargain Hunting; Weaker U.S. Dollar Supportive, Too
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