找不到引用DIN EN 62271-211 Berichtigung 2:2021 High-voltage switchgear and controlgear - Part 211: Direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages above 52 kV (IEC 62271-211:2014/COR2:2017); German version EN 62271-211:2014/AC:2017-09 的标准
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