He only had some ammeter and an ampoule.

他只有一些安培计一个安瓿（针剂）。

Finally, we saw how to measure voltage and current in a real circuit using voltmeters and ammeters.

最后，我们了解了如何压流实际路中的压流。

This is known as an ammeter, and it measures the current in Amperes by connecting in series with the circuit.

这被称为流，通过与路串联来安培流。

Attaching the ammeter, a device with near-zero resistance, in parallel with another resistor, will cause nearly all the current to run through the ammeter, possibly damaging it.

将流（一种阻接近零的设备）与另一个阻器并联将允许几乎所有流流过流，可能导致损坏。