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8 mar 1991 ano - 1991年3月8日上海超高压输变电公司采用新技术，将 220千伏西郊变电站2 号调相机组改制成国内第一台6万千瓦大容量氟利昂冷却调相机。

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1991年3月8日上海超高压输变电公司采用新技术，将 220千伏西郊变电站2 号调相机组改制成国内第一台6万千瓦大容量氟利昂冷却调相机。

Adicionado na linha do tempo:

工业大事年表

2 set 2023

1

0

686

Data:

8 mar 1991 ano

Agora

~ 34 years ago

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