ammeter造句

What does that ammeter read?
那个电表上的度数是多少 ?

Ammeter, voltmeter, bridge and similar common methods are typical equipment types.
电流表、电压表、电桥以及类似的常见仪器都属于常用的设备.

He was very attentive to the ammeter.
他十分经心在意地望着电流计.