零序電流保護(hù) zero sequence current protection: 零序電流保護(hù)裝置zero phase sequence protection: 零相序保護(hù)裝置zero sequence impedance protection: 零序阻抗保護(hù)裝置zero sequence protection: 零序保護(hù)裝置zero-sequence protection: 零序保護(hù)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯