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mar 8, 1991 - 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。
Description:
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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工业大事年表
By
Loo Qoo
2 Sep 2023
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0
731
Date:
mar 8, 1991
Now
~ 35 years ago
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