However, in some cases, the over - load protection cannot avoid that the conductor exceeds the maximum operating temperature when the electrical load increases.
但在某些情况下，用电负荷增加时线路过负荷保护却不能避免导体超过最高运行温度。
However, in some cases, the over - load protection cannot avoid that the conductor exceeds the maximum operating temperature when the electrical load increases.
但在某些情况下，用电负荷增加时线路过负荷保护却不能避免导体超过最高运行温度。
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