不是。铜管是电线。它的一端是发电机（热能转换为电能）另一段接到煤气开关，提供电力。

来源: QinHwang 于 2024-12-11 09:04:27 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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