常見(jiàn)例句If a sinusoidal current is sent through a movingcoil galvanometer, the meter reads zero. 如果將一正弦電流通入動(dòng)圈式電流計(jì)，那么這電流計(jì)的讀數(shù)為零。movingcoil loudspeaker 電動(dòng)揚(yáng)聲器movingcoil pickup 電動(dòng)拾聲器 返回 movingcoil