短語詞組短語extremum value control system 極值調(diào)節(jié)系統(tǒng)instantaneous value control system 瞬時值控制系統(tǒng)mean value control system 平均值調(diào)節(jié)器A -value control system 值法控制Constant -value control system 恒值控制系統(tǒng) 返回 value control system