不要在一个接线板上插满插头，那样做不安全。
Do not insert too many plugs in a connection panel, as it is not safe.
不同的接线模式直接反映了配电系统安全性和可靠性的高低。
Connection modes have impact on the safety and reliability of the distribution system.
不同的接线模式直接反映了配电系统安全性和可靠性的高低。
Connection modes have impact on the safety and reliability of the distribution system.
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