oil-less circuit-breaker
... 无油轴承 oilless bearing 无油断路器 oilless circuit breaker 油压电缆，高油压充油电缆 oilostatic cable ...
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通过对用高压真空断路器对传统高压开关柜进行无油化改造方法的介绍，详细阐述了具体的实施措施。
The high voltage vacuum breaker is used in the traditional high voltage switch cabinet. We get the high voltage switch cabinet without oil. In this paper, many concrete methods are introduced.
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