室内线路最小允许截面，敷设在绝缘支持件上的裸导线，( )。

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铜线1mm²，铝线1mm² 铜线1mm²，铝线2.5mm² 铜线2.5mm²，铝线2.5mm² 铜线2.5mm²，铝线4mm²

铜线1mm²，铝线1mm² 铜线1mm²，铝线2mm² 铜线2.5mm²，铝线2.5mm² 铜线2.5mm²，铝线4mm²

铜线1mm²，铝线1mm² 铜线1mm²，铝线2.5mm² 铜线2.5mm²，铝线2.5mm² 铜线2.5mm²，铝线4mm²

铜线1mm²，铝线1mm² 铜线1mm²，铝线2.5mm² 铜线2.5mm²，铝线2.5mm² 铜线2.5mm²，铝线4mm²

铜线1mm²，铝线1mm² 铜线1mm²，铝线2.5mm² 铜线2.5mm²，铝线2.5mm² 铜线2.5mm²，铝线4mm²

铜线1mm²，铝线1mm² 铜线1mm²，铝线2.5mm² 铜线2.5mm²，铝线2.5mm² 铜线2.5mm²，铝线4mm²

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