短語(yǔ)詞組短語(yǔ)constant -voltage tracing 定電壓跟蹤constant dc voltage control 定直流電壓控制constant excitation voltage control 恒勵(lì)磁電壓控制constant output voltage 恒壓輸出constant frequency voltage regulation 定頻穩(wěn)壓constant charging voltage control 穩(wěn)壓控制Constant t Voltage 恒定電壓 返回 constant voltage