双管: double-barrelled上: upper; up; upward分: component供暖: supply heating; heating系统: system上分式双管热水供暖系统: double-pipe dropping system双管热水上分式供暖系统: two pipe hot water downfeed system双管供暖系统: double pipe heating system; two pipe system; two-pipe heating system; two-pipe system双管下给式热水供暖系统: two-pipe hot water downfeed system双管直接回水供暖系统: two pipe direct return system下给式双管热水供暖系统: two pipe direct downfeed system供暖系统: central heating system; heater system; heating system双管采暖系统: two-pipe heating system闭式供暖系统: closed system of heating地下供暖系统: under floor heating辐射供暖系统: radiant heating system负压供暖系统: subatmospheric heating system高架供暖系统: overhead system of heating高压供暖系统: high-pressure heating system供暖系统总管: heating main集中供暖系统: central calorifier system; central heating system空间供暖系统: space heating system燃油供暖系统: oil heating system; oil-burning heating system热风供暖系统: hot-air heating system; warm air heating system; warm-air heating system热气供暖系统: hot-air system
