低压电缆如选择与保护不当，直接影响供电系统的安全性、可靠性。
Improper selection and protection of low voltage cables will have direct impact on safety and reliability of the power supply system.
合理选择井下低压电缆截面，可为提高供电质量提供客观依据。
It can be to improve the quality of supply that the reasonable selection of underground low voltage cable cross section.
合理选择井下低压电缆截面，可为提高供电质量提供客观依据。
It can be to improve the quality of supply that the reasonable selection of underground low voltage cable cross section.
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