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该装置对于小电流接地系统及实现变电站无人值班具有广泛的应用价值。
This device is practical in the realisation of unattended power substation and earthing system with little current.
youdao
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该装置对于小电流接地系统及实现变电站无人值班具有广泛的应用价值。
This device is practical in the realisation of unattended power substation and earthing system with little current.
youdao