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出典:Wiktionary
central heating (uncountable)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/13 03:15 UTC 版)
A central heating system provides warmth to the whole interior of a building (or portion of a building) from one point to multiple rooms. When combined with other systems in order to control the building climate, the whole system may be a HVAC (heating, ventilation and air conditioning) system.
Central heating