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无电压触点闭合，常开，8路输出。
Non-voltage contact closure, always open, 8 Output.
youdao
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电路设计还避免了接触器触点带电闭合。
Also, charged contact problem with the contactor is relieved.
youdao
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电路设计还避免了接触器触点带电闭合。
Also, charged contact problem with the contactor is relieved.
youdao