In accordance with the liquid temperature selection in winter, current density, summer with the lower limit.
依液体温度选择电流密度,冬季用下限,夏季用上限。
At the same time, puts forward some issues to be considered in selection of the proposal of air conditioning in such architecture, and the solutions of fresh air processing in the winter season.
同时提出了对这类建筑的空调系统方案选择时应注意的问题,并对这类建筑空调系统的冬季新风处理提出了看法。
Studies are conducted on melting snow and keeping green by electric cable heating system on Beijing sports turf in winter, grass seed selection, and turf soil temperature field.
本文对北京地区草坪冬季电缆电热融雪保绿问题,草种的选择及土壤温度场进行研究,旨在对北京地区草坪电缆加热系统进行优化设计。
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