试题与答案

当电场灰斗严重积灰造成阴、阳极间短路时二次电流很大,二次电压接近于零。()

题型:判断题

题目:

当电场灰斗严重积灰造成阴、阳极间短路时二次电流很大,二次电压接近于零。()

答案:

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