auxiliary transformer regulation

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1.	辅助变压器调节电工名词术语--电力牵引 ... 2.137 过渡线圈 transition coil 2.138 辅助变压器调节 auxiliary transformer regulation ... www.zftrans.com
2.	辅助变压器调压 GB/T 2900.36... ... 变阻调速 rheostatic control 辅助变压器调压 auxiliary transformer regulation 斩波控制 chopper control ... www.wwwstandard.cn
3.	辅助变压器调压装置 ... vortex type high-pressure deliver unit 涡流式高压压送装置 auxiliary transformer regulation 辅助变压器调压装置 ... www.dictall.com