【运输】加热电缆【电学】加热电缆

三相带截面大，传热导面积大，能提高传输效率。

摘要运用有限元法，对交频井下伴热电缆导体内部的集肤效应现象进行了数值模拟和分析，比较直观地得出交频电缆中电流密度的分布特性，以及交流电的不同频率对导体集肤深度的影响。

seat heating

electron-heating steel bar header【机】

hardening forged, rolled material with no further heating beyond that

heating body (heater, radiator, heating element)

heating of internal body cavities for curative treatment

heating of bar-shaped bodies from steel, iron, ohmic-resistance heating

heating rate【热】;rate of heating【热】

hair-drying comb with separate heating