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1·A voltameter is a scientific instrument used for measuring quantity of electricity.

电量计是测量电量的科学仪器。

2·Voltage reference apparatus, voltameter, battery voltage detection apparatus and wireless communication device.

电压参考装置，伏特表，电池电压检测装置和无线通信设备。

3·A voltage preference apparatus, a voltameter, a battery voltage detection apparatus, and a wireless communication device.

电压参考装置，伏特表，电池电压检测装置和无线通信设备。

4·Based on the cyclic voltameter it could be concluded that in the working potential reign of the nickel electrode steel under the micropores was in the passive state and could not corrode.

循环伏安图谱说明，在镍电极工作的电位区域，微孔中钢铁处于钝态，不会腐蚀。