The minimum charge is one minute for automatic connection and three minutes for manual connection.
其最低费用，自动接线为一分钟，手工接线为三分钟。
In a series connection the magnitude of charge on all plates is the same .
在串联接法中，所有各板上的电荷量相同。
In a series connection the magnitude of charge on all plates is the same .
在串联接法中，所有各板上的电荷量相同。
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