• 1. voltmeter switch: 伏特计开关 | 电压转换开关
• 2. VM SW VOLTMETER SWITCH: 电压表切换开关
• 3. ammeter-voltmeter switch: 电流表

更多释义

• 1.The output trigger may be connected to a measuring device, such as a voltmeter. This will ensure the measurement is not made until the switch contacts have fully settled.
  输出触发可被连接到一个测量装置，例如伏特计。这样能够确保在开关触点完全稳定之后再进行测量。
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• 2.The three-pole switch was originally used to switch a voltmeter guard along with the signal lines.
  三刀开关最早用于切换伏特计保护及信号线路。
  dict.yoduao.com
• 3.Inside is arranged ammeter, voltmeter, air circuit breaker, indicator, ac contactor, conversion switch, and buttons for starting or stopping.
  柜内还装有电流表、电压表、自动空气开关、指示灯、交流接触器、工频变频转换开关及起动、停止按钮等。
  dict.yoduao.com

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