短語(yǔ)詞組短語(yǔ)radial electromechanical coupling coefficient 徑向機(jī)電耦合系數(shù)effective electromechanical coupling coefficient 壓電耦合系數(shù)electromechanical coupling coefficient k 機(jī)電耦合系數(shù) 返回 electromechanical coupling coefficient