电压损失：指电路中阻抗元件两端电压的数值差，在工程计算中，电压损失近似取为电压降落的纵分量。
给出了便于工程应用的电压损失近似计算公式。
An approximate formula of voltage loss for application of engineering is given.
介绍了煤矿井下采区低压电网电压损失的计算方法。
The voltage loss calculating method of the low voltage electrified wire netting at ground mining area is introduced.
某一电压等级的输电距离，受输电线路的电压损失及输送容量限制。
The transmission distance at certain voltage level, is restricted by power line's voltage loss and transmission capacity.
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