secondary main
... 第二级侍线机 secondary line switch 低压干线 secondary main 低压网络 secondary network ...
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低压力干线 low pressure main
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浙江西卡姆电力设备有限公司自主研发、生产的XKM/HYT系列主干线分线器是一种全新的作用于主干线上的专用分线低压电器件，是目前国内最先进的优质产品。
XKM/HYT series terminal block is an important component in low voltage electric equipment It is mainly applied for branching the trunk line, It is the most advanced terminal block in China at present.
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