短語詞組短語reduction pressure coefficient 減降系數(shù)reduction n coefficient 縮減系數(shù)Combined Reduction Coefficient 綜郃折減系數(shù)nrc noise reduction coefficient 噪聲衰減系數(shù)evaporator reduction coefficient 蒸發(fā)折算系數(shù)reduction coefficient of buoyancy 浮力折減系數(shù)earthquake -reduction coefficient 減震系數(shù)dose reduction coefficient 劑量減低系數(shù) 返回 reduction coefficient