该第一和第二电极以预定的间隔彼此隔开。
The first and second electrodes are spaced apart from each other at a predetermined interval.
该第三和第四电极以预定的间隔彼此隔开。
The third and fourth electrodes are spaced apart from each other at a predetermined interval.
电绝缘体可用来使导体的位置固定；使导体彼此隔开并同周围的构筑物隔开。
Electrical insulators are commonly used to hold conductors in place, separating them from one another and from surrounding structures.
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