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September 16, 2021 View: 150
帶電檢測

合成絕緣220kV避雷器A相下節與B相下節同位置最大溫差為6.5K,A相上節與B相上節同位置最大溫差為6.6K。認定為緊急缺陷。

亚洲国产三级在线理论,精品亚洲,97视频国产自在自线2020,亚洲色一区二区三区
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