DIN 42500-2-1 : DRAFT 94被替代
THREE-PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 UP TO 2500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV; DISTRIBUTION TRANSFORMERS WITH CABLE BOXES ON THE HIGH VOLTAGE AND/OR LOW VOLTAGE SIDE; GENERAL REQUIREMENTS
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
