发布时间:2025-02-03 10:47:01
高压计量采用的是额定电压为100V额定电流5A的电度表,实际用电量等于电度表抄见电量乘以电压互感器变比(10KV为100)乘以电流互感器变比。
楼下说我家卫生间漏水我买防漏王修了并且一天没用水第二天楼下说还滴水是不是余水余水多久能
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