断路器的每相极柱分别安装在基架11上，每个基架旁边都有一个操作机构箱15.1。

The pole columns of the circuit-breaker are each mounted on a base 11, to the side of each of which an operating mechanism cubicle 15.1 is fitted.

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断路器的每相极柱分别安装在基架11上，每个基架旁边都有一个操作机构箱15.1。

The pole columns of the circuit-breaker are each mounted on a base 11, to the side of each of which an operating mechanism cubicle 15.1 is fitted.

youdao