The comparison between warm-air heating system and hot water heating system is made. The applicability and practicability of the warm-air heating system 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。
In all ships in which a heating system is required, the heating should be by means of hot water, warm air, electricity, steam or equivalent.
在所有要求配备供暖系统的船上，可用热水、热气、电力、蒸汽或等效方式供暖。
The water to warm the floor heating pipe system using life span of 50 years.
水地暖的地暖管道系统使用寿命为50年。
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