发布时间:2025-01-31 13:40:17
看你是小工程还是大工程.小工程临时不用接变压器,或者变压器很小的可以申请临时电源.
大工程的,比如要盖个半个月一年的,用电容量大的,就要去供电局申请新装基建用电.手续耗时比较长,建议你们早做打算.
如何理解gb47t7012008低碳钢热轧圆盘条抗拉力学性能如q195 65线材抗拉强度不大于410mpa
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