当油浸式变压器出现漏油故障时,( )保护装置动作保护。 A 、过电流 B、过负荷 C、瓦斯 D、纵联差动
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【简答题】A.The government is spending money on some forms of public transport. B.Only rich people can use their cars. C.Many poorer people need use their cars to make a living. D.The government needs to spend ...