【判断题】
YJLV表示聚乙烯绝缘、聚氯乙烯护套电力电缆
A. 对
B. 错
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答案
B
解析
暂无解析
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【判断题】
常用单相电能表接线盒内有四个接线端，自左向右按“1”、“2”、“3”、“4”编号。接线方法为“1”接火线进线、“2”接零线进线，“3”接火线出线，“4”接零线出线
A. 对
B. 错
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