A-A+ A ground can be defined as an electrical connection between the wiring of a motor and its_.. 2020-09-18 20:31:15 资格考试 阅读 问题详情 A.shunt fieldB.circuit breakerC.metal frameworkD.inter-pole请帮忙给出正确答案和分析，谢谢！ 参考答案 查看解答
