Potentials of two electrodes (11, 12) at two ends are equaled and voltage is applied between the intermediate electrode (13) and the end electrodes (11, 12).

使端部的两个电极（11、12）的电位相等，并在中间电极 （13）与端部电极（11、12）之间施加电压。

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The center wire assembly includes a firing electrode, a conductive glass seal, an intermediate electrode, the noise suppressing glass seal, and a terminal electrode.

该中心导线组件包括点火电极、导电玻璃密封、一个中间电极、噪音抑制玻璃密封和一个端电极。

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