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浙江皖开电力科技有限公司

2026-02-10 网络整理佚名1370

Key Point:低压开关柜的分类：按符合标准程度分：全型式试验的低压柜（TTA）符合一种确认的型号或系列的低压成套开关设备和控制设备，它与已通过验证认为符合标准(IEC439

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