The comparison between warm-airheatingsystem and hot water heatingsystem is made. The applicability and practicability of the warm-airheatingsystem are analyzed.
对热风供暖系统与热水供暖系统进行了比较，分析了热风供暖系统的适应性和实用性。
2
In all ships in which a heatingsystem is required, the heating should be by means of hot water, warmair, electricity, steam or equivalent.