Description
在每只真空灭弧室的玻璃壳或陶瓷壳外，标出一条相对准确的轴心线与顶、底盖处相一致，和动、静触头的轴心线一致，那么这一问题就完全克服了，而且，无论开关是在开断位置还是在关合位置，都能很方便地检查其偏心与否，甚至对偏心多少都能检查出来，而这一措施并不增加生产厂家很多成本，同时也应该写进户内高压真空断路器通用技术条件中去，使生产厂家、运行单位有标准可以执行。
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