发布时间:2025-01-31 04:39:33
500kva是高压。按供电局规定315KVA以上即为大工业用电,应高压计量,500KVA的箱式变压器,属于高压计量。
我在北京,想打1008611但是他说要加区号,那我是打0101008611还是1008611010
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