Al 2O 3, a greyish white material, is usually produced at the join between the copper wire and the aluminum wire in the supply line of a building.

  • 建筑物供电线路中的铜线与铝线连接处常常生成一种灰白物质&三氧化二铝,极易引发建筑物火灾。

  • 互联网摘选 2025-01-20 17:43:21

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