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来源: kingofhearts 于 2020-11-17 20:50:32 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (1691 bytes)

The disadvantage of aluminum wiring is that it must be installed correctly to avoid the risk of house fires. When a current runs through aluminum wiring it causes the metal to expand. This creates a cycle of expanding and contracting called “cold creep.” In time, this can cause connections to become loose and spark.

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