电缆截面是影响电缆经济性的主要技术指标。
Electric cable section is main technical index for affecting cable economy.
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.
在煤炭企业电缆截面积选择计算当中，如何确定电导系数的大小，是一个不能忽视的问题。
In coal mining induetry, it is important to ascertain the conductance coefficient in the calculation of cable section.
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