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phase-angle measuring relay

英 [feɪz ˈæŋɡl ˈmeʒərɪŋ ˈriːleɪ] 美 [feɪz ˈæŋɡl ˈmeʒərɪŋ ˈriːleɪ]

【电】相角测量电驿

电力

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