短語詞組短語electronic magnetic compass 電子磁羅磐EGC Electronic Gyro Compass 電子陀螺羅磐electronic megnetic compass 電子磁羅磐electronic gyro compass 電子陀螺羅磐Magnetoresistive Electronic Compass 磁阻電子羅磐accurate electronic compass 精確的電子羅磐儀a highly accurate electronic compass 高度精確的電子羅磐儀 返回 electronic compass