The voltage loss calculating method of the low voltage electrified wire netting at ground mining area is introduced.

介绍了煤矿井下采区低压电网电压损失的计算方法。

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The voltage loss calculating method of the low voltage electrified wire netting at ground mining area is introduced.

介绍了煤矿井下采区低压电网电压损失的计算方法。

youdao