- To verify a switch card's specifications, the contact potential can be measured with a sensitive voltmeter.
若需验证某个开关卡的技术指标，可利用灵敏的伏特计测得其接触电势。
- For example, the voltmeter trigger time and measurement time would also be included in the total system time.
例如，系统的总时间中还包括了伏特计的触发时间和测量时间。
