基本解释[土木建筑工程]平衡烟道热风供热设备词组短语短语balanced d flue heater 平衡烟道热风供热设备balanced flue water heater 对衡式热水炉sealed balanced flue water heater 密封对衡式热水炉room -sealed balanced flue water heater 密封对衡式热水炉专业释义土木建筑工程平衡烟道热风供热设备