Ammeter

例句:

• The station had neither voltmeter nor ammeter. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• One ammeter, for measuring the quantity of current output, was interpolated in the neutral bus or third-wire return circuit to indicate when the load on the two machines was out of balance. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The scale may be completed by marking the positions of the pointer when other currents of known strength flow through the ammeter. 伯莎M.克拉克. 科学通论.
• Voltmeters (Fig. 236), or instruments for measuring voltage, are like ammeters except that a wire of very high resistance is in circuit with the movable coil. 伯莎M.克拉克. 科学通论.
• Instruments for measuring the strength of currents in units are called ammeters, and the common form makes use of a galvanometer. 伯莎M.克拉克. 科学通论.
• In external appearance they are not distinguishable from ammeters. 伯莎M.克拉克. 科学通论.

校对:迈拉