常見例句雙語例句The three-pole switch was originally used to switch a voltmeter guard along with the signal lines.三刀開關(guān)最早用於切換伏特計(jì)保護(hù)及信號(hào)線路。And the excitation voltage and output were also fed through the selector switch to the digital voltmeter.其激勵(lì)電壓和輸出也通過選擇開關(guān)接到數(shù)字電壓表上。dict.siteThe 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.輸出觸發(fā)可被連接到一個(gè)測(cè)量裝置，例如伏特計(jì)。這樣能夠確保在開關(guān)觸點(diǎn)完全穩(wěn)定之後再進(jìn)行測(cè)量。 返回 voltmeter switch