1900年，上海发电设备总容量已达到576千瓦，而电扇、电梯、电动机也开始应用，用户装灯近9万盏

来源: victor1988 于 2022-09-15 16:28:47 [旧帖] [给我悄悄话] 本文已被阅读：次

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