對(duì)稱相控 symmetrical control (single phase): 單相對(duì)稱控制symmetrical phase: 對(duì)稱相symmetrical control: 單相對(duì)稱控制pulse symmetrical phase modulation: 脈沖對(duì)稱相位調(diào)制symmetrical three phase circuit: 對(duì)稱三相電路下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯