更多wattmeter例句

1. Fig. 73 shows a direct reading wattmeter based on the international volt and ampere.
2. We will now take the reading of the wattmeter, note the time and read it again later.
3. I will now take you to see the wattmeter which measures all the electric energy used in this building.
4. We counted the revolutions of the wattmeter and found them to be sixty per minute.
5. The round dial instrument shown at the bottom of each row of instruments is a three-phase recording wattmeter.