He was very attentive to the ammeter. 他十分經心在意地望著電流計。
In the experiment, will be used for measuring the current Magnetoelectric to digital multimeter ammeter, galvanometer and tangent to the electromagnetic shield. 在實驗中,將測量電流所用的磁電式電流表改為數字多用表,並對正切電流計進行了電磁屏蔽。