多项选择题
A.1DQJ线圈断 B.采样模块电源故障 C.模块损坏 D.互感器板损坏
A.X1与X2相混 B.X1与X3相混 C.X2与X3相混 D.X1与X7相混
A.90~-130mm B.170~-190mm C.30~-190mm D.50~-100mm
A.14.5 B.12.5 C.15.5 D.16.5
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