相間過電壓標么值 slots per pole per phase: 每極每相槽數(shù)coding and unit testing phase: 編碼及單元測試階段phase correcting unit: 相位較正裝置; 相位校正裝置phase correction unit: 相位校正器phase locking unit: 鎖相器下載手機詞典可隨時隨地查詞查翻譯