短語詞組短語week surface -current 弱流場surface magnetization current density 永磁體雙磁環(huán)surface dark current 表面暗電流surface leakage current 表面漏泄電流surface net current 表面凈流surface -current 面電流surface polarization current density 表面極化電流密度surface geothermal current value 地表熱流值 返回 surface current