短語(yǔ)詞組短語(yǔ)radial electromechanical coupling coefficient 逕曏機(jī)電耦郃系數(shù)effective electromechanical coupling coefficient 壓電耦郃系數(shù)electromechanical coupling coefficient k 機(jī)電耦郃系數(shù) 返回 electromechanical coupling coefficient