少油断路器Less oil circuit breaker: 高压真空断路器High voltage vacuum circuit breaker: 万能式断路器Universal type breaker:：DW10 ..
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The results show: these two methods can be used for high voltage vacuum circuit breaker failure detection.
结果证明，这两种分析方法可用于高压真空断路器故障检测。
ZW20BF-12 Outdoor AC high voltage vacuum circuit breaker boundaries is my company developed a user boundary switch.
12型户外交流高压分界真空断路器是我公司自主研发的一款用户分界开关。
Although the PMA that fits high voltage vacuum circuit breaker has been expected by the users, the news concerned with this aspect hasn't been reported.
虽然市场对高电压等级的永磁操动机构一直都很关注，但国内外尚未见到有关产品报导。
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